68974217564 has 12 divisors (see below), whose sum is σ = 137948435184. Its totient is φ = 29560378944.

The previous prime is 68974217537. The next prime is 68974217579. The reversal of 68974217564 is 46571247986.

68974217564 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231682429 + ... + 1231682484.

It is an arithmetic number, because the mean of its divisors is an integer number (11495702932).

Almost surely, 2^68974217564 is an apocalyptic number.

It is an amenable number.

68974217564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68974217564 is a wasteful number, since it uses less digits than its factorization.

68974217564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463364924 (or 2463364922 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 68974217564 in words is "sixty-eight billion, nine hundred seventy-four million, two hundred seventeen thousand, five hundred sixty-four".