504031565130409 has 2 divisors, whose sum is σ = 504031565130410. Its totient is φ = 504031565130408.

The previous prime is 504031565130403. The next prime is 504031565130479. The reversal of 504031565130409 is 904031565130405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323177562579600 + 180854002550809 = 17977140^2 + 13448197^2 .

It is a cyclic number.

It is not a de Polignac number, because 504031565130409 - 2⁵ = 504031565130377 is a prime.

It is not a weakly prime, because it can be changed into another prime (504031565130403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252015782565204 + 252015782565205.

It is an arithmetic number, because the mean of its divisors is an integer number (252015782565205).

Almost surely, 2^{504031565130409} is an apocalyptic number.

It is an amenable number.

504031565130409 is a deficient number, since it is larger than the sum of its proper divisors (1).

504031565130409 is an equidigital number, since it uses as much as digits as its factorization.

504031565130409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 504031565130409 in words is "five hundred four trillion, thirty-one billion, five hundred sixty-five million, one hundred thirty thousand, four hundred nine".