68942472442 has 16 divisors (see below), whose sum is σ = 107793885600. Its totient is φ = 33038988048.

The previous prime is 68942472409. The next prime is 68942472457. The reversal of 68942472442 is 24427424986.

It is a self number, because there is not a number n which added to its sum of digits gives 68942472442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947692 + ... + 6957607.

It is an arithmetic number, because the mean of its divisors is an integer number (6737117850).

Almost surely, 2^68942472442 is an apocalyptic number.

68942472442 is a deficient number, since it is larger than the sum of its proper divisors (38851413158).

68942472442 is a wasteful number, since it uses less digits than its factorization.

68942472442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13905405.

The product of its digits is 6193152, while the sum is 52.

The spelling of 68942472442 in words is "sixty-eight billion, nine hundred forty-two million, four hundred seventy-two thousand, four hundred forty-two".