316861911729 has 24 divisors (see below), whose sum is σ = 499320828864. Its totient is φ = 192028572000.

The previous prime is 316861911719. The next prime is 316861911733. The reversal of 316861911729 is 927119168613.

316861911729 is a `hidden beast` number, since 3 + 1 + 6 + 8 + 619 + 1 + 17 + 2 + 9 = 666.

It is not a de Polignac number, because 316861911729 - 2⁴ = 316861911713 is a prime.

It is a super-2 number, since 2×316861911729² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316861911719) 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 23 ways as a sum of consecutive naturals, for example, 2510524 + ... + 2633714.

It is an arithmetic number, because the mean of its divisors is an integer number (20805034536).

Almost surely, 2^316861911729 is an apocalyptic number.

It is an amenable number.

316861911729 is a deficient number, since it is larger than the sum of its proper divisors (182458917135).

316861911729 is a wasteful number, since it uses less digits than its factorization.

316861911729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149189 (or 149186 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The spelling of 316861911729 in words is "three hundred sixteen billion, eight hundred sixty-one million, nine hundred eleven thousand, seven hundred twenty-nine".