513803366099 has 2 divisors, whose sum is σ = 513803366100. Its totient is φ = 513803366098.

The previous prime is 513803366077. The next prime is 513803366117. The reversal of 513803366099 is 990663308315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513803366099 - 2³² = 509508398803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513803366099.

It is not a weakly prime, because it can be changed into another prime (513803360099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256901683049 + 256901683050.

It is an arithmetic number, because the mean of its divisors is an integer number (256901683050).

Almost surely, 2^513803366099 is an apocalyptic number.

513803366099 is a deficient number, since it is larger than the sum of its proper divisors (1).

513803366099 is an equidigital number, since it uses as much as digits as its factorization.

513803366099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 513803366099 in words is "five hundred thirteen billion, eight hundred three million, three hundred sixty-six thousand, ninety-nine".