315969097506 has 32 divisors (see below), whose sum is σ = 655443569088. Its totient is φ = 101461838400.

The previous prime is 315969097501. The next prime is 315969097511. The reversal of 315969097506 is 605790969513.

It is an interprime number because it is at equal distance from previous prime (315969097501) and next prime (315969097511).

It is a super-2 number, since 2×315969097506² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 315969097506.

It is not an unprimeable number, because it can be changed into a prime (315969097501) 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, 7023540 + ... + 7068383.

It is an arithmetic number, because the mean of its divisors is an integer number (20482611534).

Almost surely, 2^315969097506 is an apocalyptic number.

315969097506 is an abundant number, since it is smaller than the sum of its proper divisors (339474471582).

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

315969097506 is a wasteful number, since it uses less digits than its factorization.

315969097506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092066.

The product of its (nonzero) digits is 13778100, while the sum is 60.

The spelling of 315969097506 in words is "three hundred fifteen billion, nine hundred sixty-nine million, ninety-seven thousand, five hundred six".