13750685644 has 24 divisors (see below), whose sum is σ = 24257450000. Its totient is φ = 6820070400.

The previous prime is 13750685621. The next prime is 13750685651. The reversal of 13750685644 is 44658605731.

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, 684544 + ... + 704344.

Almost surely, 2^13750685644 is an apocalyptic number.

It is an amenable number.

13750685644 is a deficient number, since it is larger than the sum of its proper divisors (10506764356).

13750685644 is a wasteful number, since it uses less digits than its factorization.

13750685644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193 (or 21191 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 13750685644 in words is "thirteen billion, seven hundred fifty million, six hundred eighty-five thousand, six hundred forty-four".