404635436459 has 2 divisors, whose sum is σ = 404635436460. Its totient is φ = 404635436458.

The previous prime is 404635436437. The next prime is 404635436509. The reversal of 404635436459 is 954634536404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404635436459 - 2³² = 400340469163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404635436459.

It is not a weakly prime, because it can be changed into another prime (404635435459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202317718229 + 202317718230.

It is an arithmetic number, because the mean of its divisors is an integer number (202317718230).

Almost surely, 2^404635436459 is an apocalyptic number.

404635436459 is a deficient number, since it is larger than the sum of its proper divisors (1).

404635436459 is an equidigital number, since it uses as much as digits as its factorization.

404635436459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 404635436459 in words is "four hundred four billion, six hundred thirty-five million, four hundred thirty-six thousand, four hundred fifty-nine".