404559126943 has 2 divisors, whose sum is σ = 404559126944. Its totient is φ = 404559126942.

The previous prime is 404559126893. The next prime is 404559127001. The reversal of 404559126943 is 349621955404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404559126943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404559126043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202279563471 + 202279563472.

It is an arithmetic number, because the mean of its divisors is an integer number (202279563472).

Almost surely, 2^404559126943 is an apocalyptic number.

404559126943 is a deficient number, since it is larger than the sum of its proper divisors (1).

404559126943 is an equidigital number, since it uses as much as digits as its factorization.

404559126943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 404559126943 in words is "four hundred four billion, five hundred fifty-nine million, one hundred twenty-six thousand, nine hundred forty-three".