504004040291 has 2 divisors, whose sum is σ = 504004040292. Its totient is φ = 504004040290.

The previous prime is 504004040273. The next prime is 504004040357. The reversal of 504004040291 is 192040400405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504004040291 - 2³⁰ = 502930298467 is a prime.

It is not a weakly prime, because it can be changed into another prime (504004040791) 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, 252002020145 + 252002020146.

It is an arithmetic number, because the mean of its divisors is an integer number (252002020146).

Almost surely, 2^504004040291 is an apocalyptic number.

504004040291 is a deficient number, since it is larger than the sum of its proper divisors (1).

504004040291 is an equidigital number, since it uses as much as digits as its factorization.

504004040291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 504004040291 its reverse (192040400405), we get a palindrome (696044440696).

The spelling of 504004040291 in words is "five hundred four billion, four million, forty thousand, two hundred ninety-one".