316518634727 has 2 divisors, whose sum is σ = 316518634728. Its totient is φ = 316518634726.

The previous prime is 316518634721. The next prime is 316518634777. The reversal of 316518634727 is 727436815613.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316518634727 is a prime.

It is a super-2 number, since 2×316518634727² (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 (316518634721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158259317363 + 158259317364.

It is an arithmetic number, because the mean of its divisors is an integer number (158259317364).

Almost surely, 2^316518634727 is an apocalyptic number.

316518634727 is a deficient number, since it is larger than the sum of its proper divisors (1).

316518634727 is an equidigital number, since it uses as much as digits as its factorization.

316518634727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

It can be divided in two parts, 3165186 and 34727, that added together give a palindrome (3199913).

The spelling of 316518634727 in words is "three hundred sixteen billion, five hundred eighteen million, six hundred thirty-four thousand, seven hundred twenty-seven".