13806564899 has 2 divisors, whose sum is σ = 13806564900. Its totient is φ = 13806564898.

The previous prime is 13806564859. The next prime is 13806564901. The reversal of 13806564899 is 99846560831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13806564899 is a prime.

Together with 13806564901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13806564839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903282449 + 6903282450.

It is an arithmetic number, because the mean of its divisors is an integer number (6903282450).

Almost surely, 2^13806564899 is an apocalyptic number.

13806564899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13806564899 is an equidigital number, since it uses as much as digits as its factorization.

13806564899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 13806564899 in words is "thirteen billion, eight hundred six million, five hundred sixty-four thousand, eight hundred ninety-nine".