315469475988 has 12 divisors (see below), whose sum is σ = 736095444000. Its totient is φ = 105156491992.

The previous prime is 315469475977. The next prime is 315469475999. The reversal of 315469475988 is 889574964513.

It is an interprime number because it is at equal distance from previous prime (315469475977) and next prime (315469475999).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×315469475988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13144561488 + ... + 13144561511.

It is an arithmetic number, because the mean of its divisors is an integer number (61341287000).

Almost surely, 2^315469475988 is an apocalyptic number.

It is an amenable number.

315469475988 is an abundant number, since it is smaller than the sum of its proper divisors (420625968012).

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

315469475988 is a wasteful number, since it uses less digits than its factorization.

315469475988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26289123006 (or 26289123004 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 69.

The spelling of 315469475988 in words is "three hundred fifteen billion, four hundred sixty-nine million, four hundred seventy-five thousand, nine hundred eighty-eight".