13399205439 has 8 divisors (see below), whose sum is σ = 17873476272. Its totient is φ = 8928869120.

The previous prime is 13399205411. The next prime is 13399205459. The reversal of 13399205439 is 93450299331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13399205439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13399205459) 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, 975672 + ... + 989309.

It is an arithmetic number, because the mean of its divisors is an integer number (2234184534).

Almost surely, 2^13399205439 is an apocalyptic number.

13399205439 is a deficient number, since it is larger than the sum of its proper divisors (4474270833).

13399205439 is a wasteful number, since it uses less digits than its factorization.

13399205439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967257.

The product of its (nonzero) digits is 787320, while the sum is 48.

The spelling of 13399205439 in words is "thirteen billion, three hundred ninety-nine million, two hundred five thousand, four hundred thirty-nine".