503044040353213 has 2 divisors, whose sum is σ = 503044040353214. Its totient is φ = 503044040353212.

The previous prime is 503044040353199. The next prime is 503044040353271. The reversal of 503044040353213 is 312353040440305.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480540193185529 + 22503847167684 = 21921227^2 + 4743822^2 .

It is a cyclic number.

It is not a de Polignac number, because 503044040353213 - 2²⁹ = 503043503482301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503044040353013) 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, 251522020176606 + 251522020176607.

It is an arithmetic number, because the mean of its divisors is an integer number (251522020176607).

Almost surely, 2^{503044040353213} is an apocalyptic number.

It is an amenable number.

503044040353213 is a deficient number, since it is larger than the sum of its proper divisors (1).

503044040353213 is an equidigital number, since it uses as much as digits as its factorization.

503044040353213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 503044040353213 its reverse (312353040440305), we get a palindrome (815397080793518).

The spelling of 503044040353213 in words is "five hundred three trillion, forty-four billion, forty million, three hundred fifty-three thousand, two hundred thirteen".