394617520475 has 12 divisors (see below), whose sum is σ = 489509557776. Its totient is φ = 315575414880.

The previous prime is 394617520469. The next prime is 394617520483. The reversal of 394617520475 is 574025716493.

It is not a de Polignac number, because 394617520475 - 2¹⁴ = 394617504091 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2897132 + ... + 3030281.

It is an arithmetic number, because the mean of its divisors is an integer number (40792463148).

Almost surely, 2^394617520475 is an apocalyptic number.

394617520475 is a deficient number, since it is larger than the sum of its proper divisors (94892037301).

394617520475 is a wasteful number, since it uses less digits than its factorization.

394617520475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930086 (or 5930081 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 394617520475 in words is "three hundred ninety-four billion, six hundred seventeen million, five hundred twenty thousand, four hundred seventy-five".