312788992065 has 16 divisors (see below), whose sum is σ = 545958968256. Its totient is φ = 151655268800.

The previous prime is 312788992063. The next prime is 312788992079. The reversal of 312788992065 is 560299887213.

It is not a de Polignac number, because 312788992065 - 2¹ = 312788992063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312788992063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947845266 + ... + 947845595.

It is an arithmetic number, because the mean of its divisors is an integer number (34122435516).

Almost surely, 2^312788992065 is an apocalyptic number.

It is an amenable number.

312788992065 is a deficient number, since it is larger than the sum of its proper divisors (233169976191).

312788992065 is a wasteful number, since it uses less digits than its factorization.

312788992065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895690880.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 312788992065 in words is "three hundred twelve billion, seven hundred eighty-eight million, nine hundred ninety-two thousand, sixty-five".