13687683530 has 8 divisors (see below), whose sum is σ = 24637830372. Its totient is φ = 5475073408.

The previous prime is 13687683473. The next prime is 13687683547. The reversal of 13687683530 is 3538678631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13642940809 + 44742721 = 116803^2 + 6689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 684384167 + ... + 684384186.

Almost surely, 2^13687683530 is an apocalyptic number.

13687683530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13687683530 is a deficient number, since it is larger than the sum of its proper divisors (10950146842).

13687683530 is a wasteful number, since it uses less digits than its factorization.

13687683530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368768360.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 13687683530 in words is "thirteen billion, six hundred eighty-seven million, six hundred eighty-three thousand, five hundred thirty".