68252925392 has 20 divisors (see below), whose sum is σ = 132244677540. Its totient is φ = 34125266688.

The previous prime is 68252925373. The next prime is 68252925397. The reversal of 68252925392 is 29352925286.

It can be written as a sum of positive squares in 2 ways, for example, as 44548012096 + 23704913296 = 211064^2 + 153964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68252925397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558734 + ... + 669842.

It is an arithmetic number, because the mean of its divisors is an integer number (6612233877).

Almost surely, 2^68252925392 is an apocalyptic number.

It is an amenable number.

68252925392 is a deficient number, since it is larger than the sum of its proper divisors (63991752148).

68252925392 is a wasteful number, since it uses less digits than its factorization.

68252925392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149510 (or 149504 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 53.

The spelling of 68252925392 in words is "sixty-eight billion, two hundred fifty-two million, nine hundred twenty-five thousand, three hundred ninety-two".