12739576443 has 16 divisors (see below), whose sum is σ = 18648327936. Its totient is φ = 7671774240.

The previous prime is 12739576439. The next prime is 12739576483. The reversal of 12739576443 is 34467593721.

It is not a de Polignac number, because 12739576443 - 2² = 12739576439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12739576483) 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, 1224271 + ... + 1234632.

It is an arithmetic number, because the mean of its divisors is an integer number (1165520496).

Almost surely, 2^12739576443 is an apocalyptic number.

12739576443 is a deficient number, since it is larger than the sum of its proper divisors (5908751493).

12739576443 is a wasteful number, since it uses less digits than its factorization.

12739576443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459074.

The product of its digits is 3810240, while the sum is 51.

The spelling of 12739576443 in words is "twelve billion, seven hundred thirty-nine million, five hundred seventy-six thousand, four hundred forty-three".