13793743644 has 24 divisors (see below), whose sum is σ = 32486203008. Its totient is φ = 4554942960.

The previous prime is 13793743631. The next prime is 13793743669. The reversal of 13793743644 is 44634739731.

It is a happy number.

It is a congruent 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, 5370112 + ... + 5372679.

It is an arithmetic number, because the mean of its divisors is an integer number (1353591792).

Almost surely, 2^13793743644 is an apocalyptic number.

It is an amenable number.

13793743644 is an abundant number, since it is smaller than the sum of its proper divisors (18692459364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13793743644 is a wasteful number, since it uses less digits than its factorization.

13793743644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742905 (or 10742903 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 51.

The spelling of 13793743644 in words is "thirteen billion, seven hundred ninety-three million, seven hundred forty-three thousand, six hundred forty-four".