13668804393 has 12 divisors (see below), whose sum is σ = 18680435184. Its totient is φ = 8890276000.

The previous prime is 13668804377. The next prime is 13668804403. The reversal of 13668804393 is 39340886631.

It is not a de Polignac number, because 13668804393 - 2⁴ = 13668804377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13668809393) 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 11 ways as a sum of consecutive naturals, for example, 1350183 + ... + 1360268.

It is an arithmetic number, because the mean of its divisors is an integer number (1556702932).

Almost surely, 2^13668804393 is an apocalyptic number.

It is an amenable number.

13668804393 is a deficient number, since it is larger than the sum of its proper divisors (5011630791).

13668804393 is an equidigital number, since it uses as much as digits as its factorization.

13668804393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710536 (or 2710495 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 13668804393 in words is "thirteen billion, six hundred sixty-eight million, eight hundred four thousand, three hundred ninety-three".