13683288621 has 8 divisors (see below), whose sum is σ = 18588618720. Its totient is φ = 8950075472.

The previous prime is 13683288611. The next prime is 13683288629. The reversal of 13683288621 is 12688238631.

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 13683288621 - 2²⁹ = 13146417709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683288629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43029051 + ... + 43029368.

It is an arithmetic number, because the mean of its divisors is an integer number (2323577340).

Almost surely, 2^13683288621 is an apocalyptic number.

It is an amenable number.

13683288621 is a deficient number, since it is larger than the sum of its proper divisors (4905330099).

13683288621 is an equidigital number, since it uses as much as digits as its factorization.

13683288621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86058475.

The product of its digits is 663552, while the sum is 48.

The spelling of 13683288621 in words is "thirteen billion, six hundred eighty-three million, two hundred eighty-eight thousand, six hundred twenty-one".