474643689 has 16 divisors (see below), whose sum is σ = 721631232. Its totient is φ = 274906368.

The previous prime is 474643679. The next prime is 474643691. The reversal of 474643689 is 986346474.

It is not a de Polignac number, because 474643689 - 2²⁰ = 473595113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (474643649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357289 + ... + 358614.

It is an arithmetic number, because the mean of its divisors is an integer number (45101952).

Almost surely, 2^474643689 is an apocalyptic number.

It is an amenable number.

474643689 is a deficient number, since it is larger than the sum of its proper divisors (246987543).

474643689 is a wasteful number, since it uses less digits than its factorization.

474643689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715936.

The product of its digits is 3483648, while the sum is 51.

The square root of 474643689 is about 21786.3188492228. The cubic root of 474643689 is about 780.0502318077.

The spelling of 474643689 in words is "four hundred seventy-four million, six hundred forty-three thousand, six hundred eighty-nine".