12339488849 has 4 divisors (see below), whose sum is σ = 12339715380. Its totient is φ = 12339262320.

The previous prime is 12339488813. The next prime is 12339488867. The reversal of 12339488849 is 94888493321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5357215249 + 6982273600 = 73193^2 + 83560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12339488849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12339488869) 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, 23447 + ... + 158835.

It is an arithmetic number, because the mean of its divisors is an integer number (3084928845).

Almost surely, 2^12339488849 is an apocalyptic number.

It is an amenable number.

12339488849 is a deficient number, since it is larger than the sum of its proper divisors (226531).

12339488849 is an equidigital number, since it uses as much as digits as its factorization.

12339488849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226530.

The product of its digits is 11943936, while the sum is 59.

The spelling of 12339488849 in words is "twelve billion, three hundred thirty-nine million, four hundred eighty-eight thousand, eight hundred forty-nine".