315659691249 has 32 divisors (see below), whose sum is σ = 484072833024. Its totient is φ = 179227157760.

The previous prime is 315659691209. The next prime is 315659691253. The reversal of 315659691249 is 942196956513.

315659691249 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 315659691249 - 2¹⁵ = 315659658481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315659691192 and 315659691201.

It is not an unprimeable number, because it can be changed into a prime (315659691209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18890032 + ... + 18906734.

It is an arithmetic number, because the mean of its divisors is an integer number (15127276032).

Almost surely, 2^315659691249 is an apocalyptic number.

It is an amenable number.

315659691249 is a deficient number, since it is larger than the sum of its proper divisors (168413141775).

315659691249 is a wasteful number, since it uses less digits than its factorization.

315659691249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397.

The product of its digits is 15746400, while the sum is 60.

The spelling of 315659691249 in words is "three hundred fifteen billion, six hundred fifty-nine million, six hundred ninety-one thousand, two hundred forty-nine".