504604655729 has 2 divisors, whose sum is σ = 504604655730. Its totient is φ = 504604655728.

The previous prime is 504604655671. The next prime is 504604655743. The reversal of 504604655729 is 927556406405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411204127504 + 93400528225 = 641252^2 + 305615^2 .

It is a cyclic number.

It is not a de Polignac number, because 504604655729 - 2⁸ = 504604655473 is a prime.

It is a super-2 number, since 2×504604655729² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504604655629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252302327864 + 252302327865.

It is an arithmetic number, because the mean of its divisors is an integer number (252302327865).

Almost surely, 2^504604655729 is an apocalyptic number.

It is an amenable number.

504604655729 is a deficient number, since it is larger than the sum of its proper divisors (1).

504604655729 is an equidigital number, since it uses as much as digits as its factorization.

504604655729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 504604655729 in words is "five hundred four billion, six hundred four million, six hundred fifty-five thousand, seven hundred twenty-nine".