13688052019 has 8 divisors (see below), whose sum is σ = 13801132800. Its totient is φ = 13575414600.

The previous prime is 13688051969. The next prime is 13688052023. The reversal of 13688052019 is 91025088631.

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 13688052019 - 2¹¹ = 13688049971 is a prime.

It is a super-2 number, since 2×13688052019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13688002019) 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, 48697 + ... + 172474.

It is an arithmetic number, because the mean of its divisors is an integer number (1725141600).

Almost surely, 2^13688052019 is an apocalyptic number.

13688052019 is a deficient number, since it is larger than the sum of its proper divisors (113080781).

13688052019 is a wasteful number, since it uses less digits than its factorization.

13688052019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221681.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 13688052019 in words is "thirteen billion, six hundred eighty-eight million, fifty-two thousand, nineteen".