68811413192 has 16 divisors (see below), whose sum is σ = 129843194460. Its totient is φ = 34186561344.

The previous prime is 68811413161. The next prime is 68811413239. The reversal of 68811413192 is 29131411886.

It can be written as a sum of positive squares in 2 ways, for example, as 64915905796 + 3895507396 = 254786^2 + 62414^2 .

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, 27391823 + ... + 27394334.

Almost surely, 2^68811413192 is an apocalyptic number.

It is an amenable number.

68811413192 is a deficient number, since it is larger than the sum of its proper divisors (61031781268).

68811413192 is a wasteful number, since it uses less digits than its factorization.

68811413192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54786320 (or 54786316 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The spelling of 68811413192 in words is "sixty-eight billion, eight hundred eleven million, four hundred thirteen thousand, one hundred ninety-two".