503364045209 has 2 divisors, whose sum is σ = 503364045210. Its totient is φ = 503364045208.

The previous prime is 503364045203. The next prime is 503364045211. The reversal of 503364045209 is 902540463305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472514635609 + 30849409600 = 687397^2 + 175640^2 .

It is a cyclic number.

It is not a de Polignac number, because 503364045209 - 2³⁶ = 434644568473 is a prime.

It is a Sophie Germain prime.

Together with 503364045211, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (503364045203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251682022604 + 251682022605.

It is an arithmetic number, because the mean of its divisors is an integer number (251682022605).

Almost surely, 2^503364045209 is an apocalyptic number.

It is an amenable number.

503364045209 is a deficient number, since it is larger than the sum of its proper divisors (1).

503364045209 is an equidigital number, since it uses as much as digits as its factorization.

503364045209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 503364045209 in words is "five hundred three billion, three hundred sixty-four million, forty-five thousand, two hundred nine".