504440050342009 has 2 divisors, whose sum is σ = 504440050342010. Its totient is φ = 504440050342008.

The previous prime is 504440050341923. The next prime is 504440050342069. The reversal of 504440050342009 is 900243050044405.

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., 361580112867600 + 142859937474409 = 19015260^2 + 11952403^2 .

It is a cyclic number.

It is not a de Polignac number, because 504440050342009 - 2³³ = 504431460407417 is a prime.

It is not a weakly prime, because it can be changed into another prime (504440050342069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252220025171004 + 252220025171005.

It is an arithmetic number, because the mean of its divisors is an integer number (252220025171005).

Almost surely, 2^{504440050342009} is an apocalyptic number.

It is an amenable number.

504440050342009 is a deficient number, since it is larger than the sum of its proper divisors (1).

504440050342009 is an equidigital number, since it uses as much as digits as its factorization.

504440050342009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 504440050342009 in words is "five hundred four trillion, four hundred forty billion, fifty million, three hundred forty-two thousand, nine".