503384574013 has 2 divisors, whose sum is σ = 503384574014. Its totient is φ = 503384574012.

The previous prime is 503384573987. The next prime is 503384574029. The reversal of 503384574013 is 310475483305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502359165529 + 1025408484 = 708773^2 + 32022^2 .

It is a cyclic number.

It is not a de Polignac number, because 503384574013 - 2²⁵ = 503351019581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503384574713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251692287006 + 251692287007.

It is an arithmetic number, because the mean of its divisors is an integer number (251692287007).

Almost surely, 2^503384574013 is an apocalyptic number.

It is an amenable number.

503384574013 is a deficient number, since it is larger than the sum of its proper divisors (1).

503384574013 is an equidigital number, since it uses as much as digits as its factorization.

503384574013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 503384574013 in words is "five hundred three billion, three hundred eighty-four million, five hundred seventy-four thousand, thirteen".