68960745031 has 16 divisors (see below), whose sum is σ = 71609142528. Its totient is φ = 66364542400.

The previous prime is 68960745019. The next prime is 68960745041. The reversal of 68960745031 is 13054706986.

It is a cyclic number.

It is not a de Polignac number, because 68960745031 - 2²³ = 68952356423 is a prime.

It is a super-2 number, since 2×68960745031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68960745001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858516 + ... + 935398.

It is an arithmetic number, because the mean of its divisors is an integer number (4475571408).

Almost surely, 2^68960745031 is an apocalyptic number.

68960745031 is a deficient number, since it is larger than the sum of its proper divisors (2648397497).

68960745031 is a wasteful number, since it uses less digits than its factorization.

68960745031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77222.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 68960745031 in words is "sixty-eight billion, nine hundred sixty million, seven hundred forty-five thousand, thirty-one".