12944441389 has 8 divisors (see below), whose sum is σ = 14146297632. Its totient is φ = 11746766640.

The previous prime is 12944441333. The next prime is 12944441399. The reversal of 12944441389 is 98314444921.

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 12944441389 - 2²⁷ = 12810223661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944441399) 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, 1038894 + ... + 1051279.

It is an arithmetic number, because the mean of its divisors is an integer number (1768287204).

Almost surely, 2^12944441389 is an apocalyptic number.

It is an amenable number.

12944441389 is a deficient number, since it is larger than the sum of its proper divisors (1201856243).

12944441389 is a wasteful number, since it uses less digits than its factorization.

12944441389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090747.

The product of its digits is 995328, while the sum is 49.

The spelling of 12944441389 in words is "twelve billion, nine hundred forty-four million, four hundred forty-one thousand, three hundred eighty-nine".