12326939449 has 4 divisors (see below), whose sum is σ = 13447570320. Its totient is φ = 11206308580.

The previous prime is 12326939407. The next prime is 12326939477. The reversal of 12326939449 is 94493962321.

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 12326939449 - 2⁹ = 12326938937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12326939396 and 12326939405.

It is not an unprimeable number, because it can be changed into a prime (12326939489) 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, 560315419 + ... + 560315440.

It is an arithmetic number, because the mean of its divisors is an integer number (3361892580).

Almost surely, 2^12326939449 is an apocalyptic number.

It is an amenable number.

12326939449 is a deficient number, since it is larger than the sum of its proper divisors (1120630871).

12326939449 is a wasteful number, since it uses less digits than its factorization.

12326939449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120630870.

The product of its digits is 2519424, while the sum is 52.

The spelling of 12326939449 in words is "twelve billion, three hundred twenty-six million, nine hundred thirty-nine thousand, four hundred forty-nine".