404896584949 has 2 divisors, whose sum is σ = 404896584950. Its totient is φ = 404896584948.

The previous prime is 404896584923. The next prime is 404896584977. The reversal of 404896584949 is 949485698404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236453650225 + 168442934724 = 486265^2 + 410418^2 .

It is a cyclic number.

It is not a de Polignac number, because 404896584949 - 2¹³ = 404896576757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404896584349) 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, 202448292474 + 202448292475.

It is an arithmetic number, because the mean of its divisors is an integer number (202448292475).

Almost surely, 2^404896584949 is an apocalyptic number.

It is an amenable number.

404896584949 is a deficient number, since it is larger than the sum of its proper divisors (1).

404896584949 is an equidigital number, since it uses as much as digits as its factorization.

404896584949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 358318080, while the sum is 70.

The spelling of 404896584949 in words is "four hundred four billion, eight hundred ninety-six million, five hundred eighty-four thousand, nine hundred forty-nine".