391137274412 has 24 divisors (see below), whose sum is σ = 700503571152. Its totient is φ = 190994630400.

The previous prime is 391137274399. The next prime is 391137274421. The reversal of 391137274412 is 214472731193.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150112 + ... + 1450872.

It is an arithmetic number, because the mean of its divisors is an integer number (29187648798).

Almost surely, 2^391137274412 is an apocalyptic number.

It is an amenable number.

391137274412 is a deficient number, since it is larger than the sum of its proper divisors (309366296740).

391137274412 is a wasteful number, since it uses less digits than its factorization.

391137274412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308369 (or 308367 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The spelling of 391137274412 in words is "three hundred ninety-one billion, one hundred thirty-seven million, two hundred seventy-four thousand, four hundred twelve".