503040651089 has 2 divisors, whose sum is σ = 503040651090. Its totient is φ = 503040651088.

The previous prime is 503040651077. The next prime is 503040651241. The reversal of 503040651089 is 980156040305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309469690000 + 193570961089 = 556300^2 + 439967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503040651089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (503040651049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520325544 + 251520325545.

It is an arithmetic number, because the mean of its divisors is an integer number (251520325545).

Almost surely, 2^503040651089 is an apocalyptic number.

It is an amenable number.

503040651089 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040651089 is an equidigital number, since it uses as much as digits as its factorization.

503040651089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 503040651089 in words is "five hundred three billion, forty million, six hundred fifty-one thousand, eighty-nine".