316589651569 has 3 divisors (see below), whose sum is σ = 316590214233. Its totient is φ = 316589088906.

The previous prime is 316589651549. The next prime is 316589651711. The reversal of 316589651569 is 965156985613.

The square root of 316589651569 is 562663.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 316589651569 - 2³³ = 307999716977 is a prime.

It is a super-2 number, since 2×316589651569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316589651569.

It is not an unprimeable number, because it can be changed into a prime (316589651549) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 281332 + ... + 843994.

It is an arithmetic number, because the mean of its divisors is an integer number (105530071411).

Almost surely, 2^316589651569 is an apocalyptic number.

316589651569 is the 562663-rd square number.

316589651569 is the 281332-nd centered octagonal number.

It is an amenable number.

316589651569 is a deficient number, since it is larger than the sum of its proper divisors (562664).

316589651569 is an frugal number, since it uses more digits than its factorization.

316589651569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125326 (or 562663 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 64.

Multiplying 316589651569 by its sum of digits (64), we get a square (20261737700416 = 4501304²).

The spelling of 316589651569 in words is "three hundred sixteen billion, five hundred eighty-nine million, six hundred fifty-one thousand, five hundred sixty-nine".