315847424269 has 4 divisors (see below), whose sum is σ = 340143379996. Its totient is φ = 291551468544.

The previous prime is 315847424257. The next prime is 315847424273. The reversal of 315847424269 is 962424748513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194513635369 + 121333788900 = 441037^2 + 348330^2 .

It is a cyclic number.

It is not a de Polignac number, because 315847424269 - 2²¹ = 315845327117 is a prime.

It is a super-2 number, since 2×315847424269² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315847424209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12147977844 + ... + 12147977869.

It is an arithmetic number, because the mean of its divisors is an integer number (85035844999).

Almost surely, 2^315847424269 is an apocalyptic number.

It is an amenable number.

315847424269 is a deficient number, since it is larger than the sum of its proper divisors (24295955727).

315847424269 is a wasteful number, since it uses less digits than its factorization.

315847424269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24295955726.

The product of its digits is 11612160, while the sum is 55.

The spelling of 315847424269 in words is "three hundred fifteen billion, eight hundred forty-seven million, four hundred twenty-four thousand, two hundred sixty-nine".