12438496339 has 4 divisors (see below), whose sum is σ = 12439810656. Its totient is φ = 12437182024.

The previous prime is 12438496331. The next prime is 12438496381. The reversal of 12438496339 is 93369483421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93369483421 = 6553 ⋅14248357.

It is a cyclic number.

It is not a de Polignac number, because 12438496339 - 2³ = 12438496331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12438496331) 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, 642859 + ... + 661924.

It is an arithmetic number, because the mean of its divisors is an integer number (3109952664).

Almost surely, 2^12438496339 is an apocalyptic number.

12438496339 is a deficient number, since it is larger than the sum of its proper divisors (1314317).

12438496339 is an equidigital number, since it uses as much as digits as its factorization.

12438496339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314316.

The product of its digits is 3359232, while the sum is 52.

The spelling of 12438496339 in words is "twelve billion, four hundred thirty-eight million, four hundred ninety-six thousand, three hundred thirty-nine".