316564782427 has 2 divisors, whose sum is σ = 316564782428. Its totient is φ = 316564782426.

The previous prime is 316564782389. The next prime is 316564782473. The reversal of 316564782427 is 724287465613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316564782427 - 2³⁵ = 282205044059 is a prime.

It is a super-2 number, since 2×316564782427² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316564782227) 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, 158282391213 + 158282391214.

It is an arithmetic number, because the mean of its divisors is an integer number (158282391214).

Almost surely, 2^316564782427 is an apocalyptic number.

316564782427 is a deficient number, since it is larger than the sum of its proper divisors (1).

316564782427 is an equidigital number, since it uses as much as digits as its factorization.

316564782427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 55.

The spelling of 316564782427 in words is "three hundred sixteen billion, five hundred sixty-four million, seven hundred eighty-two thousand, four hundred twenty-seven".