315487069651968 has 88 divisors (see below), whose sum is σ = 890352065741472. Its totient is φ = 98976335560704.

The previous prime is 315487069651927. The next prime is 315487069651993. The reversal of 315487069651968 is 869156960784513.

It is a super-2 number, since 2×315487069651968² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315487069651893 and 315487069651902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020465830 + ... + 3020570277.

Almost surely, 2^{315487069651968} is an apocalyptic number.

It is an amenable number.

315487069651968 is an abundant number, since it is smaller than the sum of its proper divisors (574864996089504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315487069651968 is a wasteful number, since it uses less digits than its factorization.

315487069651968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041036147 (or 6041036129 counting only the distinct ones).

The product of its (nonzero) digits is 2351462400, while the sum is 78.

The spelling of 315487069651968 in words is "three hundred fifteen trillion, four hundred eighty-seven billion, sixty-nine million, six hundred fifty-one thousand, nine hundred sixty-eight".