13385799897 has 4 divisors (see below), whose sum is σ = 17847733200. Its totient is φ = 8923866596.

The previous prime is 13385799893. The next prime is 13385799919. The reversal of 13385799897 is 79899758331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13385799897 - 2² = 13385799893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13385799893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230966647 + ... + 2230966652.

It is an arithmetic number, because the mean of its divisors is an integer number (4461933300).

Almost surely, 2^13385799897 is an apocalyptic number.

It is an amenable number.

13385799897 is a deficient number, since it is larger than the sum of its proper divisors (4461933303).

13385799897 is an equidigital number, since it uses as much as digits as its factorization.

13385799897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461933302.

The product of its digits is 102876480, while the sum is 69.

The spelling of 13385799897 in words is "thirteen billion, three hundred eighty-five million, seven hundred ninety-nine thousand, eight hundred ninety-seven".