13688441611449 has 64 divisors (see below), whose sum is σ = 20706845184000. Its totient is φ = 7967273529600.

The previous prime is 13688441611433. The next prime is 13688441611459. The reversal of 13688441611449 is 94411614488631.

13688441611449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13688441611449 - 2⁴ = 13688441611433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13688441611392 and 13688441611401.

It is not an unprimeable number, because it can be changed into a prime (13688441611409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 764238804 + ... + 764256714.

It is an arithmetic number, because the mean of its divisors is an integer number (323544456000).

Almost surely, 2^{13688441611449} is an apocalyptic number.

It is an amenable number.

13688441611449 is a deficient number, since it is larger than the sum of its proper divisors (7018403572551).

13688441611449 is a wasteful number, since it uses less digits than its factorization.

13688441611449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22166.

The product of its digits is 15925248, while the sum is 60.

The spelling of 13688441611449 in words is "thirteen trillion, six hundred eighty-eight billion, four hundred forty-one million, six hundred eleven thousand, four hundred forty-nine".