503486437213 has 2 divisors, whose sum is σ = 503486437214. Its totient is φ = 503486437212.

The previous prime is 503486437169. The next prime is 503486437253. The reversal of 503486437213 is 312734684305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462887008164 + 40599429049 = 680358^2 + 201493^2 .

It is a cyclic number.

It is not a de Polignac number, because 503486437213 - 2¹³ = 503486429021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503486437253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251743218606 + 251743218607.

It is an arithmetic number, because the mean of its divisors is an integer number (251743218607).

Almost surely, 2^503486437213 is an apocalyptic number.

It is an amenable number.

503486437213 is a deficient number, since it is larger than the sum of its proper divisors (1).

503486437213 is an equidigital number, since it uses as much as digits as its factorization.

503486437213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 503486437213 in words is "five hundred three billion, four hundred eighty-six million, four hundred thirty-seven thousand, two hundred thirteen".