316356235609 has 2 divisors, whose sum is σ = 316356235610. Its totient is φ = 316356235608.

The previous prime is 316356235577. The next prime is 316356235649. The reversal of 316356235609 is 906532653613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177912709209 + 138443526400 = 421797^2 + 372080^2 .

It is a cyclic number.

It is not a de Polignac number, because 316356235609 - 2⁵ = 316356235577 is a prime.

It is not a weakly prime, because it can be changed into another prime (316356235649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158178117804 + 158178117805.

It is an arithmetic number, because the mean of its divisors is an integer number (158178117805).

Almost surely, 2^316356235609 is an apocalyptic number.

It is an amenable number.

316356235609 is a deficient number, since it is larger than the sum of its proper divisors (1).

316356235609 is an equidigital number, since it uses as much as digits as its factorization.

316356235609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2624400, while the sum is 49.

The spelling of 316356235609 in words is "three hundred sixteen billion, three hundred fifty-six million, two hundred thirty-five thousand, six hundred nine".