503320127917 has 2 divisors, whose sum is σ = 503320127918. Its totient is φ = 503320127916.

The previous prime is 503320127753. The next prime is 503320127927. The reversal of 503320127917 is 719721023305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440914592196 + 62405535721 = 664014^2 + 249811^2 .

It is a cyclic number.

It is not a de Polignac number, because 503320127917 - 2²⁷ = 503185910189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503320127917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503320127927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251660063958 + 251660063959.

It is an arithmetic number, because the mean of its divisors is an integer number (251660063959).

Almost surely, 2^503320127917 is an apocalyptic number.

It is an amenable number.

503320127917 is a deficient number, since it is larger than the sum of its proper divisors (1).

503320127917 is an equidigital number, since it uses as much as digits as its factorization.

503320127917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 503320127917 in words is "five hundred three billion, three hundred twenty million, one hundred twenty-seven thousand, nine hundred seventeen".