316618380769 has 2 divisors, whose sum is σ = 316618380770. Its totient is φ = 316618380768.

The previous prime is 316618380707. The next prime is 316618380791. The reversal of 316618380769 is 967083816613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183822275025 + 132796105744 = 428745^2 + 364412^2 .

It is a cyclic number.

It is not a de Polignac number, because 316618380769 - 2⁹ = 316618380257 is a prime.

It is a super-2 number, since 2×316618380769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316618380569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158309190384 + 158309190385.

It is an arithmetic number, because the mean of its divisors is an integer number (158309190385).

Almost surely, 2^316618380769 is an apocalyptic number.

It is an amenable number.

316618380769 is a deficient number, since it is larger than the sum of its proper divisors (1).

316618380769 is an equidigital number, since it uses as much as digits as its factorization.

316618380769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 316618380769 in words is "three hundred sixteen billion, six hundred eighteen million, three hundred eighty thousand, seven hundred sixty-nine".