316335621473 has 2 divisors, whose sum is σ = 316335621474. Its totient is φ = 316335621472.

The previous prime is 316335621361. The next prime is 316335621487. The reversal of 316335621473 is 374126533613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256651665664 + 59683955809 = 506608^2 + 244303^2 .

It is a cyclic number.

It is not a de Polignac number, because 316335621473 - 2¹⁶ = 316335555937 is a prime.

It is not a weakly prime, because it can be changed into another prime (316335621773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158167810736 + 158167810737.

It is an arithmetic number, because the mean of its divisors is an integer number (158167810737).

Almost surely, 2^316335621473 is an apocalyptic number.

It is an amenable number.

316335621473 is a deficient number, since it is larger than the sum of its proper divisors (1).

316335621473 is an equidigital number, since it uses as much as digits as its factorization.

316335621473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The spelling of 316335621473 in words is "three hundred sixteen billion, three hundred thirty-five million, six hundred twenty-one thousand, four hundred seventy-three".