13420690091089 has 2 divisors, whose sum is σ = 13420690091090. Its totient is φ = 13420690091088.

The previous prime is 13420690091069. The next prime is 13420690091099. The reversal of 13420690091089 is 98019009602431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12589602601489 + 831087489600 = 3548183^2 + 911640^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420690091089 - 2³⁷ = 13283251137617 is a prime.

It is a super-2 number, since 2×13420690091089² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13420690091059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710345045544 + 6710345045545.

It is an arithmetic number, because the mean of its divisors is an integer number (6710345045545).

Almost surely, 2^{13420690091089} is an apocalyptic number.

It is an amenable number.

13420690091089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420690091089 is an equidigital number, since it uses as much as digits as its factorization.

13420690091089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 13420690091089 in words is "thirteen trillion, four hundred twenty billion, six hundred ninety million, ninety-one thousand, eighty-nine".