315436254382477 has 2 divisors, whose sum is σ = 315436254382478. Its totient is φ = 315436254382476.

The previous prime is 315436254382453. The next prime is 315436254382499. The reversal of 315436254382477 is 774283452634513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283812850788516 + 31623403593961 = 16846746^2 + 5623469^2 .

It is a cyclic number.

It is not a de Polignac number, because 315436254382477 - 2²⁷ = 315436120164749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315436254388477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157718127191238 + 157718127191239.

It is an arithmetic number, because the mean of its divisors is an integer number (157718127191239).

Almost surely, 2^{315436254382477} is an apocalyptic number.

It is an amenable number.

315436254382477 is a deficient number, since it is larger than the sum of its proper divisors (1).

315436254382477 is an equidigital number, since it uses as much as digits as its factorization.

315436254382477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 406425600, while the sum is 64.

The spelling of 315436254382477 in words is "three hundred fifteen trillion, four hundred thirty-six billion, two hundred fifty-four million, three hundred eighty-two thousand, four hundred seventy-seven".