13867657684 has 12 divisors (see below), whose sum is σ = 24269244244. Its totient is φ = 6933587904.

The previous prime is 13867657669. The next prime is 13867657703. The reversal of 13867657684 is 48675676831.

It can be written as a sum of positive squares in 2 ways, for example, as 13721779600 + 145878084 = 117140^2 + 12078^2 .

It is a congruent number.

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, 153664 + ... + 226600.

Almost surely, 2^13867657684 is an apocalyptic number.

It is an amenable number.

13867657684 is a deficient number, since it is larger than the sum of its proper divisors (10401586560).

13867657684 is a wasteful number, since it uses less digits than its factorization.

13867657684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120474 (or 120472 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The spelling of 13867657684 in words is "thirteen billion, eight hundred sixty-seven million, six hundred fifty-seven thousand, six hundred eighty-four".