315996461569 has 4 divisors (see below), whose sum is σ = 316907114544. Its totient is φ = 315085808596.

The previous prime is 315996461563. The next prime is 315996461587. The reversal of 315996461569 is 965164699513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315996461569 - 2⁷ = 315996461441 is a prime.

It is a super-2 number, since 2×315996461569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315996461569.

It is not an unprimeable number, because it can be changed into a prime (315996461563) by changing a digit.

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, 455325967 + ... + 455326660.

It is an arithmetic number, because the mean of its divisors is an integer number (79226778636).

Almost surely, 2^315996461569 is an apocalyptic number.

It is an amenable number.

315996461569 is a deficient number, since it is larger than the sum of its proper divisors (910652975).

315996461569 is an equidigital number, since it uses as much as digits as its factorization.

315996461569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910652974.

The product of its digits is 47239200, while the sum is 64.

The spelling of 315996461569 in words is "three hundred fifteen billion, nine hundred ninety-six million, four hundred sixty-one thousand, five hundred sixty-nine".