13493065868 has 24 divisors (see below), whose sum is σ = 23710582560. Its totient is φ = 6718642560.

The previous prime is 13493065867. The next prime is 13493065877. The reversal of 13493065868 is 86856039431.

13493065868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13493065867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789473 + ... + 3793031.

It is an arithmetic number, because the mean of its divisors is an integer number (987940940).

Almost surely, 2^13493065868 is an apocalyptic number.

It is an amenable number.

13493065868 is a deficient number, since it is larger than the sum of its proper divisors (10217516692).

13493065868 is a wasteful number, since it uses less digits than its factorization.

13493065868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217 (or 7215 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 13493065868 in words is "thirteen billion, four hundred ninety-three million, sixty-five thousand, eight hundred sixty-eight".