503216053009 has 2 divisors, whose sum is σ = 503216053010. Its totient is φ = 503216053008.

The previous prime is 503216053003. The next prime is 503216053063. The reversal of 503216053009 is 900350612305.

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., 450650403025 + 52565649984 = 671305^2 + 229272^2 .

It is a cyclic number.

It is not a de Polignac number, because 503216053009 - 2⁷ = 503216052881 is a prime.

It is not a weakly prime, because it can be changed into another prime (503216053003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251608026504 + 251608026505.

It is an arithmetic number, because the mean of its divisors is an integer number (251608026505).

Almost surely, 2^503216053009 is an apocalyptic number.

It is an amenable number.

503216053009 is a deficient number, since it is larger than the sum of its proper divisors (1).

503216053009 is an equidigital number, since it uses as much as digits as its factorization.

503216053009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 503216053009 in words is "five hundred three billion, two hundred sixteen million, fifty-three thousand, nine".