316044664636573 has 2 divisors, whose sum is σ = 316044664636574. Its totient is φ = 316044664636572.

The previous prime is 316044664636567. The next prime is 316044664636619. The reversal of 316044664636573 is 375636466440613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292014884164249 + 24029780472324 = 17088443^2 + 4902018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316044664636573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316044664636273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158022332318286 + 158022332318287.

It is an arithmetic number, because the mean of its divisors is an integer number (158022332318287).

Almost surely, 2^{316044664636573} is an apocalyptic number.

It is an amenable number.

316044664636573 is a deficient number, since it is larger than the sum of its proper divisors (1).

316044664636573 is an equidigital number, since it uses as much as digits as its factorization.

316044664636573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470292480, while the sum is 64.

The spelling of 316044664636573 in words is "three hundred sixteen trillion, forty-four billion, six hundred sixty-four million, six hundred thirty-six thousand, five hundred seventy-three".