316394839679 has 2 divisors, whose sum is σ = 316394839680. Its totient is φ = 316394839678.

The previous prime is 316394839633. The next prime is 316394839759. The reversal of 316394839679 is 976938493613.

It is a weak prime.

It is an emirp because it is prime and its reverse (976938493613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316394839679 - 2²⁴ = 316378062463 is a prime.

It is a super-2 number, since 2×316394839679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316394839279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158197419839 + 158197419840.

It is an arithmetic number, because the mean of its divisors is an integer number (158197419840).

Almost surely, 2^316394839679 is an apocalyptic number.

316394839679 is a deficient number, since it is larger than the sum of its proper divisors (1).

316394839679 is an equidigital number, since it uses as much as digits as its factorization.

316394839679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158723712, while the sum is 68.

The spelling of 316394839679 in words is "three hundred sixteen billion, three hundred ninety-four million, eight hundred thirty-nine thousand, six hundred seventy-nine".