13208867968591 has 2 divisors, whose sum is σ = 13208867968592. Its totient is φ = 13208867968590.

The previous prime is 13208867968561. The next prime is 13208867968607. The reversal of 13208867968591 is 19586976880231.

It is a strong prime.

It is an emirp because it is prime and its reverse (19586976880231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13208867968591 - 2⁴³ = 4412774946383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13208867968561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604433984295 + 6604433984296.

It is an arithmetic number, because the mean of its divisors is an integer number (6604433984296).

Almost surely, 2^{13208867968591} is an apocalyptic number.

13208867968591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13208867968591 is an equidigital number, since it uses as much as digits as its factorization.

13208867968591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 13208867968591 in words is "thirteen trillion, two hundred eight billion, eight hundred sixty-seven million, nine hundred sixty-eight thousand, five hundred ninety-one".