13893663794 has 16 divisors (see below), whose sum is σ = 20987164800. Its totient is φ = 6898082400.

The previous prime is 13893663779. The next prime is 13893663829. The reversal of 13893663794 is 49736639831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165494 + ... + 234894.

It is an arithmetic number, because the mean of its divisors is an integer number (1311697800).

Almost surely, 2^13893663794 is an apocalyptic number.

13893663794 is a deficient number, since it is larger than the sum of its proper divisors (7093501006).

13893663794 is a wasteful number, since it uses less digits than its factorization.

13893663794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70105.

The product of its digits is 17635968, while the sum is 59.

The spelling of 13893663794 in words is "thirteen billion, eight hundred ninety-three million, six hundred sixty-three thousand, seven hundred ninety-four".