12426742339 has 4 divisors (see below), whose sum is σ = 13556446200. Its totient is φ = 11297038480.

The previous prime is 12426742333. The next prime is 12426742343. The reversal of 12426742339 is 93324762421.

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 12426742339 - 2⁹ = 12426741827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12426742295 and 12426742304.

It is not an unprimeable number, because it can be changed into a prime (12426742333) 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, 564851914 + ... + 564851935.

It is an arithmetic number, because the mean of its divisors is an integer number (3389111550).

Almost surely, 2^12426742339 is an apocalyptic number.

12426742339 is a deficient number, since it is larger than the sum of its proper divisors (1129703861).

12426742339 is a wasteful number, since it uses less digits than its factorization.

12426742339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129703860.

The product of its digits is 435456, while the sum is 43.

The spelling of 12426742339 in words is "twelve billion, four hundred twenty-six million, seven hundred forty-two thousand, three hundred thirty-nine".