404404809203 has 2 divisors, whose sum is σ = 404404809204. Its totient is φ = 404404809202.

The previous prime is 404404809181. The next prime is 404404809223. The reversal of 404404809203 is 302908404404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404404809203 - 2²² = 404400614899 is a prime.

It is not a weakly prime, because it can be changed into another prime (404404809223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202202404601 + 202202404602.

It is an arithmetic number, because the mean of its divisors is an integer number (202202404602).

Almost surely, 2^404404809203 is an apocalyptic number.

404404809203 is a deficient number, since it is larger than the sum of its proper divisors (1).

404404809203 is an equidigital number, since it uses as much as digits as its factorization.

404404809203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 404404809203 in words is "four hundred four billion, four hundred four million, eight hundred nine thousand, two hundred three".