68313373944 has 32 divisors (see below), whose sum is σ = 176292579840. Its totient is φ = 22036572000.

The previous prime is 68313373883. The next prime is 68313373963. The reversal of 68313373944 is 44937331386.

It is a super-2 number, since 2×68313373944² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 45908782 + ... + 45910269.

It is an arithmetic number, because the mean of its divisors is an integer number (5509143120).

Almost surely, 2^68313373944 is an apocalyptic number.

It is an amenable number.

68313373944 is an abundant number, since it is smaller than the sum of its proper divisors (107979205896).

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

68313373944 is a wasteful number, since it uses less digits than its factorization.

68313373944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91819091 (or 91819087 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 51.

The spelling of 68313373944 in words is "sixty-eight billion, three hundred thirteen million, three hundred seventy-three thousand, nine hundred forty-four".