Are you sure? Can you post a number of which you think Python can't handle?

    >>> int("983728338427643876432784367834678326438763278463276543675324675327867498274982787463273647235347652673547623548628347892374982374862384676235478632894790238409382984782768347683274983274964826487264826482264862384628648723643874268426482634826438742648276487264823764873627463252642654")

    983728338427643876432784367834678326438763278463276543675324675327867498274982787463273647235347652673547623548628347892374982374862384676235478632894790238409382984782768347683274983274964826487264826482264862384628648723643874268426482634826438742648276487264823764873627463252642654L
    >>>