13315318584209 has 2 divisors, whose sum is σ = 13315318584210. Its totient is φ = 13315318584208.

The previous prime is 13315318584179. The next prime is 13315318584289. The reversal of 13315318584209 is 90248581351331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10787546113600 + 2527772470609 = 3284440^2 + 1589897^2 .

It is a cyclic number.

It is not a de Polignac number, because 13315318584209 - 2²⁸ = 13315050148753 is a prime.

It is not a weakly prime, because it can be changed into another prime (13315318584289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657659292104 + 6657659292105.

It is an arithmetic number, because the mean of its divisors is an integer number (6657659292105).

Almost surely, 2^{13315318584209} is an apocalyptic number.

It is an amenable number.

13315318584209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315318584209 is an equidigital number, since it uses as much as digits as its factorization.

13315318584209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 13315318584209 in words is "thirteen trillion, three hundred fifteen billion, three hundred eighteen million, five hundred eighty-four thousand, two hundred nine".