865492314312 has 64 divisors (see below), whose sum is σ = 2196605822400. Its totient is φ = 284116377600.

The previous prime is 865492314299. The next prime is 865492314347. The reversal of 865492314312 is 213413294568.

It is a super-2 number, since 2×865492314312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6184312 + ... + 6322712.

It is an arithmetic number, because the mean of its divisors is an integer number (34321965975).

Almost surely, 2^865492314312 is an apocalyptic number.

It is an amenable number.

865492314312 is an abundant number, since it is smaller than the sum of its proper divisors (1331113508088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

865492314312 is a wasteful number, since it uses less digits than its factorization.

865492314312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142366 (or 142362 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 865492314312 in words is "eight hundred sixty-five billion, four hundred ninety-two million, three hundred fourteen thousand, three hundred twelve".