13628605239 has 16 divisors (see below), whose sum is σ = 20195616000. Its totient is φ = 9083446488.

The previous prime is 13628605213. The next prime is 13628605259. The reversal of 13628605239 is 93250682631.

13628605239 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 8 + 605 + 2 + 39 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13628605239 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13628605194 and 13628605203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628605259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49102 + ... + 172244.

It is an arithmetic number, because the mean of its divisors is an integer number (1262226000).

Almost surely, 2^13628605239 is an apocalyptic number.

13628605239 is a deficient number, since it is larger than the sum of its proper divisors (6567010761).

13628605239 is a wasteful number, since it uses less digits than its factorization.

13628605239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127251 (or 127245 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 13628605239 in words is "thirteen billion, six hundred twenty-eight million, six hundred five thousand, two hundred thirty-nine".