315476521479 has 24 divisors (see below), whose sum is σ = 520840740992. Its totient is φ = 180253570320.

The previous prime is 315476521469. The next prime is 315476521487. The reversal of 315476521479 is 974125674513.

315476521479 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 76 + 521 + 47 + 9 = 666.

It is not a de Polignac number, because 315476521479 - 2¹⁵ = 315476488711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315476521469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362892 + ... + 873294.

Almost surely, 2^315476521479 is an apocalyptic number.

315476521479 is a deficient number, since it is larger than the sum of its proper divisors (205364219513).

315476521479 is a wasteful number, since it uses less digits than its factorization.

315476521479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520227 (or 520224 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 315476521479 in words is "three hundred fifteen billion, four hundred seventy-six million, five hundred twenty-one thousand, four hundred seventy-nine".