13689538529 has 4 divisors (see below), whose sum is σ = 13718852784. Its totient is φ = 13660224276.

The previous prime is 13689538493. The next prime is 13689538547. The reversal of 13689538529 is 92583598631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92583598631 = 66169 ⋅1399199.

It is a cyclic number.

It is not a de Polignac number, because 13689538529 - 2⁸ = 13689538273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13689532529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14656427 + ... + 14657360.

It is an arithmetic number, because the mean of its divisors is an integer number (3429713196).

Almost surely, 2^13689538529 is an apocalyptic number.

It is an amenable number.

13689538529 is a deficient number, since it is larger than the sum of its proper divisors (29314255).

13689538529 is an equidigital number, since it uses as much as digits as its factorization.

13689538529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314254.

The product of its digits is 13996800, while the sum is 59.

The spelling of 13689538529 in words is "thirteen billion, six hundred eighty-nine million, five hundred thirty-eight thousand, five hundred twenty-nine".