315996746753 has 2 divisors, whose sum is σ = 315996746754. Its totient is φ = 315996746752.

The previous prime is 315996746743. The next prime is 315996746909. The reversal of 315996746753 is 357647699513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293988430849 + 22008315904 = 542207^2 + 148352^2 .

It is a cyclic number.

It is not a de Polignac number, because 315996746753 - 2¹² = 315996742657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 315996746753.

It is not a weakly prime, because it can be changed into another prime (315996746743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157998373376 + 157998373377.

It is an arithmetic number, because the mean of its divisors is an integer number (157998373377).

Almost surely, 2^315996746753 is an apocalyptic number.

It is an amenable number.

315996746753 is a deficient number, since it is larger than the sum of its proper divisors (1).

315996746753 is an equidigital number, since it uses as much as digits as its factorization.

315996746753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128595600, while the sum is 65.

The spelling of 315996746753 in words is "three hundred fifteen billion, nine hundred ninety-six million, seven hundred forty-six thousand, seven hundred fifty-three".