12324916449 has 16 divisors (see below), whose sum is σ = 18436412800. Its totient is φ = 8136836208.

The previous prime is 12324916403. The next prime is 12324916453. The reversal of 12324916449 is 94461942321.

It is not a de Polignac number, because 12324916449 - 2¹¹ = 12324914401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12324916489) 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, 2213134 + ... + 2218695.

It is an arithmetic number, because the mean of its divisors is an integer number (1152275800).

Almost surely, 2^12324916449 is an apocalyptic number.

It is an amenable number.

12324916449 is a deficient number, since it is larger than the sum of its proper divisors (6111496351).

12324916449 is a wasteful number, since it uses less digits than its factorization.

12324916449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431941 (or 4431935 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 12324916449 in words is "twelve billion, three hundred twenty-four million, nine hundred sixteen thousand, four hundred forty-nine".