316537472365 has 4 divisors (see below), whose sum is σ = 379844966844. Its totient is φ = 253229977888.

The previous prime is 316537472359. The next prime is 316537472369. The reversal of 316537472365 is 563274735613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99652599684 + 216884872681 = 315678^2 + 465709^2 .

It is a cyclic number.

It is not a de Polignac number, because 316537472365 - 2¹⁵ = 316537439597 is a prime.

It is a super-2 number, since 2×316537472365² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316537472369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31653747232 + ... + 31653747241.

It is an arithmetic number, because the mean of its divisors is an integer number (94961241711).

Almost surely, 2^316537472365 is an apocalyptic number.

It is an amenable number.

316537472365 is a deficient number, since it is larger than the sum of its proper divisors (63307494479).

316537472365 is an equidigital number, since it uses as much as digits as its factorization.

316537472365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63307494478.

The product of its digits is 9525600, while the sum is 52.

The spelling of 316537472365 in words is "three hundred sixteen billion, five hundred thirty-seven million, four hundred seventy-two thousand, three hundred sixty-five".