316686218843 has 2 divisors, whose sum is σ = 316686218844. Its totient is φ = 316686218842.

The previous prime is 316686218837. The next prime is 316686218857. The reversal of 316686218843 is 348812686613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316686218843 - 2¹⁰ = 316686217819 is a prime.

It is a super-2 number, since 2×316686218843² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316686218803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158343109421 + 158343109422.

It is an arithmetic number, because the mean of its divisors is an integer number (158343109422).

Almost surely, 2^316686218843 is an apocalyptic number.

316686218843 is a deficient number, since it is larger than the sum of its proper divisors (1).

316686218843 is an equidigital number, since it uses as much as digits as its factorization.

316686218843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 56.

The spelling of 316686218843 in words is "three hundred sixteen billion, six hundred eighty-six million, two hundred eighteen thousand, eight hundred forty-three".