13259250884909 has 2 divisors, whose sum is σ = 13259250884910. Its totient is φ = 13259250884908.

The previous prime is 13259250884843. The next prime is 13259250884933. The reversal of 13259250884909 is 90948805295231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12203689850884 + 1055561034025 = 3493378^2 + 1027405^2 .

It is a cyclic number.

It is not a de Polignac number, because 13259250884909 - 2⁸ = 13259250884653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13259250884989) 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, 6629625442454 + 6629625442455.

It is an arithmetic number, because the mean of its divisors is an integer number (6629625442455).

Almost surely, 2^{13259250884909} is an apocalyptic number.

It is an amenable number.

13259250884909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13259250884909 is an equidigital number, since it uses as much as digits as its factorization.

13259250884909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55987200, while the sum is 65.

The spelling of 13259250884909 in words is "thirteen trillion, two hundred fifty-nine billion, two hundred fifty million, eight hundred eighty-four thousand, nine hundred nine".