680568038793 has 40 divisors (see below), whose sum is σ = 1049605218816. Its totient is φ = 439009632000.

The previous prime is 680568038743. The next prime is 680568038807. The reversal of 680568038793 is 397830865086.

680568038793 is a `hidden beast` number, since 68 + 0 + 568 + 0 + 3 + 8 + 7 + 9 + 3 = 666.

It is not a de Polignac number, because 680568038793 - 2⁶ = 680568038729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680568038793.

It is not an unprimeable number, because it can be changed into a prime (680568038743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20731993 + ... + 20764793.

Almost surely, 2^680568038793 is an apocalyptic number.

It is an amenable number.

680568038793 is a deficient number, since it is larger than the sum of its proper divisors (369037180023).

680568038793 is a wasteful number, since it uses less digits than its factorization.

680568038793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41107 (or 41098 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 680568038793 in words is "six hundred eighty billion, five hundred sixty-eight million, thirty-eight thousand, seven hundred ninety-three".