404469336943 has 4 divisors (see below), whose sum is σ = 462250670800. Its totient is φ = 346688003088.

The previous prime is 404469336923. The next prime is 404469336961. The reversal of 404469336943 is 349633964404.

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

It is not a de Polignac number, because 404469336943 - 2⁹ = 404469336431 is a prime.

It is a super-2 number, since 2×404469336943² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404469336923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28890666918 + ... + 28890666931.

It is an arithmetic number, because the mean of its divisors is an integer number (115562667700).

Almost surely, 2^404469336943 is an apocalyptic number.

404469336943 is a deficient number, since it is larger than the sum of its proper divisors (57781333857).

404469336943 is an equidigital number, since it uses as much as digits as its factorization.

404469336943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57781333856.

The product of its (nonzero) digits is 20155392, while the sum is 55.

The spelling of 404469336943 in words is "four hundred four billion, four hundred sixty-nine million, three hundred thirty-six thousand, nine hundred forty-three".