68439215596 has 24 divisors (see below), whose sum is σ = 120973065696. Its totient is φ = 33875587200.

The previous prime is 68439215569. The next prime is 68439215597. The reversal of 68439215596 is 69551293486.

It is a self number, because there is not a number n which added to its sum of digits gives 68439215596.

It is not an unprimeable number, because it can be changed into a prime (68439215597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4993465 + ... + 5007151.

It is an arithmetic number, because the mean of its divisors is an integer number (5040544404).

Almost surely, 2^68439215596 is an apocalyptic number.

It is an amenable number.

68439215596 is a deficient number, since it is larger than the sum of its proper divisors (52533850100).

68439215596 is a wasteful number, since it uses less digits than its factorization.

68439215596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169 (or 26167 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 58.

The spelling of 68439215596 in words is "sixty-eight billion, four hundred thirty-nine million, two hundred fifteen thousand, five hundred ninety-six".