404502898979 has 2 divisors, whose sum is σ = 404502898980. Its totient is φ = 404502898978.

The previous prime is 404502898927. The next prime is 404502899033. The reversal of 404502898979 is 979898205404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404502898979 is a prime.

It is not a weakly prime, because it can be changed into another prime (404502898909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202251449489 + 202251449490.

It is an arithmetic number, because the mean of its divisors is an integer number (202251449490).

Almost surely, 2^404502898979 is an apocalyptic number.

404502898979 is a deficient number, since it is larger than the sum of its proper divisors (1).

404502898979 is an equidigital number, since it uses as much as digits as its factorization.

404502898979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 404502898979 in words is "four hundred four billion, five hundred two million, eight hundred ninety-eight thousand, nine hundred seventy-nine".