312693964274 has 4 divisors (see below), whose sum is σ = 469040946414. Its totient is φ = 156346982136.

The previous prime is 312693964259. The next prime is 312693964283. The reversal of 312693964274 is 472469396213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472469396213 = 19 ⋅24866810327.

It can be written as a sum of positive squares in only one way, i.e., 172177693249 + 140516271025 = 414943^2 + 374855^2 .

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 as a sum of consecutive naturals, namely, 78173491067 + ... + 78173491070.

Almost surely, 2^312693964274 is an apocalyptic number.

312693964274 is a deficient number, since it is larger than the sum of its proper divisors (156346982140).

312693964274 is a wasteful number, since it uses less digits than its factorization.

312693964274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156346982139.

The product of its digits is 11757312, while the sum is 56.

The spelling of 312693964274 in words is "three hundred twelve billion, six hundred ninety-three million, nine hundred sixty-four thousand, two hundred seventy-four".