500444784913 has 2 divisors, whose sum is σ = 500444784914. Its totient is φ = 500444784912.

The previous prime is 500444784871. The next prime is 500444784997. The reversal of 500444784913 is 319487444005.

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., 307146507264 + 193298277649 = 554208^2 + 439657^2 .

It is a cyclic number.

It is not a de Polignac number, because 500444784913 - 2²¹ = 500442687761 is a prime.

It is not a weakly prime, because it can be changed into another prime (500444784113) 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, 250222392456 + 250222392457.

It is an arithmetic number, because the mean of its divisors is an integer number (250222392457).

Almost surely, 2^500444784913 is an apocalyptic number.

It is an amenable number.

500444784913 is a deficient number, since it is larger than the sum of its proper divisors (1).

500444784913 is an equidigital number, since it uses as much as digits as its factorization.

500444784913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 500444784913 in words is "five hundred billion, four hundred forty-four million, seven hundred eighty-four thousand, nine hundred thirteen".