13688698251 has 8 divisors (see below), whose sum is σ = 18360889344. Its totient is φ = 9071153000.

The previous prime is 13688698211. The next prime is 13688698259. The reversal of 13688698251 is 15289688631.

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

It is a cyclic number.

It is not a de Polignac number, because 13688698251 - 2⁹ = 13688697739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13688698191 and 13688698200.

It is not an unprimeable number, because it can be changed into a prime (13688698259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13660875 + ... + 13661876.

It is an arithmetic number, because the mean of its divisors is an integer number (2295111168).

Almost surely, 2^13688698251 is an apocalyptic number.

13688698251 is a deficient number, since it is larger than the sum of its proper divisors (4672191093).

13688698251 is a wasteful number, since it uses less digits than its factorization.

13688698251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27322921.

The product of its digits is 4976640, while the sum is 57.

The spelling of 13688698251 in words is "thirteen billion, six hundred eighty-eight million, six hundred ninety-eight thousand, two hundred fifty-one".