13196545889 has 2 divisors, whose sum is σ = 13196545890. Its totient is φ = 13196545888.

The previous prime is 13196545883. The next prime is 13196545897. The reversal of 13196545889 is 98854569131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7662376225 + 5534169664 = 87535^2 + 74392^2 .

It is a cyclic number.

It is not a de Polignac number, because 13196545889 - 2²⁰ = 13195497313 is a prime.

It is not a weakly prime, because it can be changed into another prime (13196545883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6598272944 + 6598272945.

It is an arithmetic number, because the mean of its divisors is an integer number (6598272945).

Almost surely, 2^13196545889 is an apocalyptic number.

It is an amenable number.

13196545889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13196545889 is an equidigital number, since it uses as much as digits as its factorization.

13196545889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 59.

The spelling of 13196545889 in words is "thirteen billion, one hundred ninety-six million, five hundred forty-five thousand, eight hundred eighty-nine".