13386227072809 has 2 divisors, whose sum is σ = 13386227072810. Its totient is φ = 13386227072808.

The previous prime is 13386227072761. The next prime is 13386227072821. The reversal of 13386227072809 is 90827072268331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13263639557184 + 122587515625 = 3641928^2 + 350125^2 .

It is a cyclic number.

It is not a de Polignac number, because 13386227072809 - 2¹¹ = 13386227070761 is a prime.

It is not a weakly prime, because it can be changed into another prime (13386227072209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693113536404 + 6693113536405.

It is an arithmetic number, because the mean of its divisors is an integer number (6693113536405).

Almost surely, 2^{13386227072809} is an apocalyptic number.

It is an amenable number.

13386227072809 is a deficient number, since it is larger than the sum of its proper divisors (1).

13386227072809 is an equidigital number, since it uses as much as digits as its factorization.

13386227072809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 13386227072809 in words is "thirteen trillion, three hundred eighty-six billion, two hundred twenty-seven million, seventy-two thousand, eight hundred nine".