def seconds_to_units(seconds):
    """
    Converts number of seconds as a int into
    weeks, days, hours, minutes, seconds delta
    """
    minutes, seconds = divmod(seconds, 60)
    if not minutes:
        return seconds, 'second'
    hours, minutes = divmod(minutes, 60)
    if not hours:
        return minutes, 'minute'
    days, hours = divmod(hours, 24)
    if not days:
        return hours, 'hour'
    weeks, days = divmod(days, 7)
    if not weeks:
        return days, 'day'
    return weeks, 'week'
