315550392604697 has 2 divisors, whose sum is σ = 315550392604698. Its totient is φ = 315550392604696.

The previous prime is 315550392604669. The next prime is 315550392604721. The reversal of 315550392604697 is 796406293055513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191606057889856 + 123944334714841 = 13842184^2 + 11133029^2 .

It is a cyclic number.

It is not a de Polignac number, because 315550392604697 - 2⁸ = 315550392604441 is a prime.

It is not a weakly prime, because it can be changed into another prime (815550392604697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157775196302348 + 157775196302349.

It is an arithmetic number, because the mean of its divisors is an integer number (157775196302349).

Almost surely, 2^{315550392604697} is an apocalyptic number.

It is an amenable number.

315550392604697 is a deficient number, since it is larger than the sum of its proper divisors (1).

315550392604697 is an equidigital number, since it uses as much as digits as its factorization.

315550392604697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708000, while the sum is 65.

The spelling of 315550392604697 in words is "three hundred fifteen trillion, five hundred fifty billion, three hundred ninety-two million, six hundred four thousand, six hundred ninety-seven".