404456374499 has 2 divisors, whose sum is σ = 404456374500. Its totient is φ = 404456374498.

The previous prime is 404456374493. The next prime is 404456374547. The reversal of 404456374499 is 994473654404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404456374499 - 2³⁶ = 335736897763 is a prime.

It is not a weakly prime, because it can be changed into another prime (404456374493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202228187249 + 202228187250.

It is an arithmetic number, because the mean of its divisors is an integer number (202228187250).

Almost surely, 2^404456374499 is an apocalyptic number.

404456374499 is a deficient number, since it is larger than the sum of its proper divisors (1).

404456374499 is an equidigital number, since it uses as much as digits as its factorization.

404456374499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 59.

The spelling of 404456374499 in words is "four hundred four billion, four hundred fifty-six million, three hundred seventy-four thousand, four hundred ninety-nine".