12339444489 has 4 divisors (see below), whose sum is σ = 16452592656. Its totient is φ = 8226296324.

The previous prime is 12339444457. The next prime is 12339444497. The reversal of 12339444489 is 98444493321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12339444489 - 2⁵ = 12339444457 is a prime.

It is a super-2 number, since 2×12339444489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12339444449) 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, 2056574079 + ... + 2056574084.

It is an arithmetic number, because the mean of its divisors is an integer number (4113148164).

Almost surely, 2^12339444489 is an apocalyptic number.

It is an amenable number.

12339444489 is a deficient number, since it is larger than the sum of its proper divisors (4113148167).

12339444489 is an equidigital number, since it uses as much as digits as its factorization.

12339444489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113148166.

The product of its digits is 2985984, while the sum is 51.

The spelling of 12339444489 in words is "twelve billion, three hundred thirty-nine million, four hundred forty-four thousand, four hundred eighty-nine".