13293986444 has 12 divisors (see below), whose sum is σ = 23645861568. Its totient is φ = 6538026000.

The previous prime is 13293986429. The next prime is 13293986471. The reversal of 13293986444 is 44468939231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27241532 + ... + 27242019.

It is an arithmetic number, because the mean of its divisors is an integer number (1970488464).

Almost surely, 2^13293986444 is an apocalyptic number.

It is an amenable number.

13293986444 is a deficient number, since it is larger than the sum of its proper divisors (10351875124).

13293986444 is a wasteful number, since it uses less digits than its factorization.

13293986444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54483616 (or 54483614 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The spelling of 13293986444 in words is "thirteen billion, two hundred ninety-three million, nine hundred eighty-six thousand, four hundred forty-four".