13044395239 has 4 divisors (see below), whose sum is σ = 13811712624. Its totient is φ = 12277077856.

The previous prime is 13044395209. The next prime is 13044395263. The reversal of 13044395239 is 93259344031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13044395239 - 2⁵ = 13044395207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13044395195 and 13044395204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044395209) 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, 383658667 + ... + 383658700.

It is an arithmetic number, because the mean of its divisors is an integer number (3452928156).

Almost surely, 2^13044395239 is an apocalyptic number.

13044395239 is a deficient number, since it is larger than the sum of its proper divisors (767317385).

13044395239 is an equidigital number, since it uses as much as digits as its factorization.

13044395239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767317384.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 13044395239 in words is "thirteen billion, forty-four million, three hundred ninety-five thousand, two hundred thirty-nine".