13944339899 has 8 divisors (see below), whose sum is σ = 15939525888. Its totient is φ = 11949938280.

The previous prime is 13944339883. The next prime is 13944339907. The reversal of 13944339899 is 99893344931.

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

It is not a de Polignac number, because 13944339899 - 2⁴ = 13944339883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13944339859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157487 + ... + 229544.

It is an arithmetic number, because the mean of its divisors is an integer number (1992440736).

Almost surely, 2^13944339899 is an apocalyptic number.

13944339899 is a deficient number, since it is larger than the sum of its proper divisors (1995185989).

13944339899 is an equidigital number, since it uses as much as digits as its factorization.

13944339899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392185.

The product of its digits is 22674816, while the sum is 62.

The spelling of 13944339899 in words is "thirteen billion, nine hundred forty-four million, three hundred thirty-nine thousand, eight hundred ninety-nine".