13689145047 has 8 divisors (see below), whose sum is σ = 18264473856. Its totient is φ = 9119956472.

The previous prime is 13689145039. The next prime is 13689145049. The reversal of 13689145047 is 74054198631.

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 13689145047 - 2³ = 13689145039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13689144987 and 13689145005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689145049) 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, 1529853 + ... + 1538774.

It is an arithmetic number, because the mean of its divisors is an integer number (2283059232).

Almost surely, 2^13689145047 is an apocalyptic number.

13689145047 is a deficient number, since it is larger than the sum of its proper divisors (4575328809).

13689145047 is a wasteful number, since it uses less digits than its factorization.

13689145047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070117.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 13689145047 in words is "thirteen billion, six hundred eighty-nine million, one hundred forty-five thousand, forty-seven".