316954861893 has 16 divisors (see below), whose sum is σ = 469594272640. Its totient is φ = 211289059872.

The previous prime is 316954861871. The next prime is 316954861901. The reversal of 316954861893 is 398168459613.

316954861893 is a `hidden beast` number, since 3 + 1 + 6 + 9 + 5 + 4 + 8 + 618 + 9 + 3 = 666.

It is not a de Polignac number, because 316954861893 - 2¹³ = 316954853701 is a prime.

It is a super-2 number, since 2×316954861893² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316954861893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316954861813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23880 + ... + 796542.

It is an arithmetic number, because the mean of its divisors is an integer number (29349642040).

Almost surely, 2^316954861893 is an apocalyptic number.

It is an amenable number.

316954861893 is a deficient number, since it is larger than the sum of its proper divisors (152639410747).

316954861893 is a wasteful number, since it uses less digits than its factorization.

316954861893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787865 (or 787859 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 316954861893 in words is "three hundred sixteen billion, nine hundred fifty-four million, eight hundred sixty-one thousand, eight hundred ninety-three".