404403999941 has 2 divisors, whose sum is σ = 404403999942. Its totient is φ = 404403999940.

The previous prime is 404403999907. The next prime is 404403999947. The reversal of 404403999941 is 149999304404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376001976100 + 28402023841 = 613190^2 + 168529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404403999941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404403999947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202201999970 + 202201999971.

It is an arithmetic number, because the mean of its divisors is an integer number (202201999971).

Almost surely, 2^404403999941 is an apocalyptic number.

It is an amenable number.

404403999941 is a deficient number, since it is larger than the sum of its proper divisors (1).

404403999941 is an equidigital number, since it uses as much as digits as its factorization.

404403999941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 404403999941 in words is "four hundred four billion, four hundred three million, nine hundred ninety-nine thousand, nine hundred forty-one".