509107580893 has 2 divisors, whose sum is σ = 509107580894. Its totient is φ = 509107580892.

The previous prime is 509107580881. The next prime is 509107581007. The reversal of 509107580893 is 398085701905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412135752484 + 96971828409 = 641978^2 + 311403^2 .

It is a cyclic number.

It is not a de Polignac number, because 509107580893 - 2³³ = 500517646301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509107550893) 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, 254553790446 + 254553790447.

It is an arithmetic number, because the mean of its divisors is an integer number (254553790447).

Almost surely, 2^509107580893 is an apocalyptic number.

It is an amenable number.

509107580893 is a deficient number, since it is larger than the sum of its proper divisors (1).

509107580893 is an equidigital number, since it uses as much as digits as its factorization.

509107580893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 509107580893 in words is "five hundred nine billion, one hundred seven million, five hundred eighty thousand, eight hundred ninety-three".