404696253479 has 4 divisors (see below), whose sum is σ = 462510003984. Its totient is φ = 346882502976.

The previous prime is 404696253457. The next prime is 404696253517. The reversal of 404696253479 is 974352696404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404696253479 - 2⁸ = 404696253223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404696253419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28906875242 + ... + 28906875255.

It is an arithmetic number, because the mean of its divisors is an integer number (115627500996).

Almost surely, 2^404696253479 is an apocalyptic number.

404696253479 is a deficient number, since it is larger than the sum of its proper divisors (57813750505).

404696253479 is an equidigital number, since it uses as much as digits as its factorization.

404696253479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57813750504.

The product of its (nonzero) digits is 39191040, while the sum is 59.

The spelling of 404696253479 in words is "four hundred four billion, six hundred ninety-six million, two hundred fifty-three thousand, four hundred seventy-nine".