312359070784489 has 27 divisors (see below), whose sum is σ = 327728386387773. Its totient is φ = 297686043357912.

The previous prime is 312359070784483. The next prime is 312359070784589. The reversal of 312359070784489 is 984487070953213.

The square root of 312359070784489 is 17673683.

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

It is not a de Polignac number, because 312359070784489 - 2¹⁷ = 312359070653417 is a prime.

It is a super-2 number, since 2×312359070784489² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312359070784483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 124793874412 + ... + 124793876914.

Almost surely, 2^{312359070784489} is an apocalyptic number.

312359070784489 is the 17673683-rd square number.

312359070784489 is the 8836842-nd centered octagonal number.

It is an amenable number.

312359070784489 is a deficient number, since it is larger than the sum of its proper divisors (15369315603284).

312359070784489 is an frugal number, since it uses more digits than its factorization.

312359070784489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 312359070784489 in words is "three hundred twelve trillion, three hundred fifty-nine billion, seventy million, seven hundred eighty-four thousand, four hundred eighty-nine".