394413932375 has 8 divisors (see below), whose sum is σ = 492228587760. Its totient is φ = 315531145800.

The previous prime is 394413932359. The next prime is 394413932411. The reversal of 394413932375 is 573239314493.

It is not a de Polignac number, because 394413932375 - 2⁴ = 394413932359 is a prime.

It is a super-2 number, since 2×394413932375² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577655605 + ... + 1577655854.

It is an arithmetic number, because the mean of its divisors is an integer number (61528573470).

Almost surely, 2^394413932375 is an apocalyptic number.

394413932375 is a deficient number, since it is larger than the sum of its proper divisors (97814655385).

394413932375 is an equidigital number, since it uses as much as digits as its factorization.

394413932375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155311474 (or 3155311464 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 53.

The spelling of 394413932375 in words is "three hundred ninety-four billion, four hundred thirteen million, nine hundred thirty-two thousand, three hundred seventy-five".