503608928369 has 2 divisors, whose sum is σ = 503608928370. Its totient is φ = 503608928368.

The previous prime is 503608928363. The next prime is 503608928377. The reversal of 503608928369 is 963829806305.

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., 409712647744 + 93896280625 = 640088^2 + 306425^2 .

It is a cyclic number.

It is not a de Polignac number, because 503608928369 - 2⁸ = 503608928113 is a prime.

It is a super-2 number, since 2×503608928369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503608928363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251804464184 + 251804464185.

It is an arithmetic number, because the mean of its divisors is an integer number (251804464185).

Almost surely, 2^503608928369 is an apocalyptic number.

It is an amenable number.

503608928369 is a deficient number, since it is larger than the sum of its proper divisors (1).

503608928369 is an equidigital number, since it uses as much as digits as its factorization.

503608928369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 503608928369 in words is "five hundred three billion, six hundred eight million, nine hundred twenty-eight thousand, three hundred sixty-nine".