315633456709 has 2 divisors, whose sum is σ = 315633456710. Its totient is φ = 315633456708.

The previous prime is 315633456587. The next prime is 315633456821. The reversal of 315633456709 is 907654336513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302414206084 + 13219250625 = 549922^2 + 114975^2 .

It is a cyclic number.

It is not a de Polignac number, because 315633456709 - 2⁷ = 315633456581 is a prime.

It is a super-2 number, since 2×315633456709² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315633456109) 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 as a sum of consecutive naturals, namely, 157816728354 + 157816728355.

It is an arithmetic number, because the mean of its divisors is an integer number (157816728355).

Almost surely, 2^315633456709 is an apocalyptic number.

It is an amenable number.

315633456709 is a deficient number, since it is larger than the sum of its proper divisors (1).

315633456709 is an equidigital number, since it uses as much as digits as its factorization.

315633456709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 52.

The spelling of 315633456709 in words is "three hundred fifteen billion, six hundred thirty-three million, four hundred fifty-six thousand, seven hundred nine".