509163594097 has 2 divisors, whose sum is σ = 509163594098. Its totient is φ = 509163594096.

The previous prime is 509163594089. The next prime is 509163594113. The reversal of 509163594097 is 790495361905.

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., 435658081936 + 73505512161 = 660044^2 + 271119^2 .

It is a cyclic number.

It is not a de Polignac number, because 509163594097 - 2³ = 509163594089 is a prime.

It is not a weakly prime, because it can be changed into another prime (509163594007) 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, 254581797048 + 254581797049.

It is an arithmetic number, because the mean of its divisors is an integer number (254581797049).

Almost surely, 2^509163594097 is an apocalyptic number.

It is an amenable number.

509163594097 is a deficient number, since it is larger than the sum of its proper divisors (1).

509163594097 is an equidigital number, since it uses as much as digits as its factorization.

509163594097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 58.

The spelling of 509163594097 in words is "five hundred nine billion, one hundred sixty-three million, five hundred ninety-four thousand, ninety-seven".