312564906465 has 16 divisors (see below), whose sum is σ = 571547257728. Its totient is φ = 142886814336.

The previous prime is 312564906421. The next prime is 312564906481. The reversal of 312564906465 is 564609465213.

It is not a de Polignac number, because 312564906465 - 2⁹ = 312564905953 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1488404212 + ... + 1488404421.

It is an arithmetic number, because the mean of its divisors is an integer number (35721703608).

Almost surely, 2^312564906465 is an apocalyptic number.

312564906465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312564906465 is a deficient number, since it is larger than the sum of its proper divisors (258982351263).

312564906465 is a wasteful number, since it uses less digits than its factorization.

312564906465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976808648.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 312564906465 in words is "three hundred twelve billion, five hundred sixty-four million, nine hundred six thousand, four hundred sixty-five".