503616509413 has 2 divisors, whose sum is σ = 503616509414. Its totient is φ = 503616509412.

The previous prime is 503616509393. The next prime is 503616509437. The reversal of 503616509413 is 314905616305.

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., 501217273089 + 2399236324 = 707967^2 + 48982^2 .

It is a cyclic number.

It is not a de Polignac number, because 503616509413 - 2²¹ = 503614412261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503616509413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503616501413) 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, 251808254706 + 251808254707.

It is an arithmetic number, because the mean of its divisors is an integer number (251808254707).

Almost surely, 2^503616509413 is an apocalyptic number.

It is an amenable number.

503616509413 is a deficient number, since it is larger than the sum of its proper divisors (1).

503616509413 is an equidigital number, since it uses as much as digits as its factorization.

503616509413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 503616509413 in words is "five hundred three billion, six hundred sixteen million, five hundred nine thousand, four hundred thirteen".