312958169397 has 16 divisors (see below), whose sum is σ = 465631620480. Its totient is φ = 207743330016.

The previous prime is 312958169383. The next prime is 312958169423. The reversal of 312958169397 is 793961859213.

312958169397 is a `hidden beast` number, since 3 + 12 + 9 + 581 + 6 + 9 + 39 + 7 = 666.

It is not a de Polignac number, because 312958169397 - 2⁶ = 312958169333 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312958164397) by changing a digit.

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, 24867193 + ... + 24879774.

It is an arithmetic number, because the mean of its divisors is an integer number (29101976280).

Almost surely, 2^312958169397 is an apocalyptic number.

It is an amenable number.

312958169397 is a deficient number, since it is larger than the sum of its proper divisors (152673451083).

312958169397 is a wasteful number, since it uses less digits than its factorization.

312958169397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49747209 (or 49747203 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The spelling of 312958169397 in words is "three hundred twelve billion, nine hundred fifty-eight million, one hundred sixty-nine thousand, three hundred ninety-seven".