13730665684 has 6 divisors (see below), whose sum is σ = 24028664954. Its totient is φ = 6865332840.

The previous prime is 13730665667. The next prime is 13730665691. The reversal of 13730665684 is 48656603731.

It can be written as a sum of positive squares in only one way, i.e., 13705384900 + 25280784 = 117070^2 + 5028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716333207 + ... + 1716333214.

Almost surely, 2^13730665684 is an apocalyptic number.

It is an amenable number.

13730665684 is a deficient number, since it is larger than the sum of its proper divisors (10297999270).

13730665684 is a wasteful number, since it uses less digits than its factorization.

13730665684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432666425 (or 3432666423 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 13730665684 in words is "thirteen billion, seven hundred thirty million, six hundred sixty-five thousand, six hundred eighty-four".