404598660469 has 2 divisors, whose sum is σ = 404598660470. Its totient is φ = 404598660468.

The previous prime is 404598660443. The next prime is 404598660481. The reversal of 404598660469 is 964066895404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386498456100 + 18100204369 = 621690^2 + 134537^2 .

It is a cyclic number.

It is not a de Polignac number, because 404598660469 - 2⁵ = 404598660437 is a prime.

It is a super-2 number, since 2×404598660469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404598660409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202299330234 + 202299330235.

It is an arithmetic number, because the mean of its divisors is an integer number (202299330235).

Almost surely, 2^404598660469 is an apocalyptic number.

It is an amenable number.

404598660469 is a deficient number, since it is larger than the sum of its proper divisors (1).

404598660469 is an equidigital number, since it uses as much as digits as its factorization.

404598660469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 404598660469 in words is "four hundred four billion, five hundred ninety-eight million, six hundred sixty thousand, four hundred sixty-nine".