12329936809 has 2 divisors, whose sum is σ = 12329936810. Its totient is φ = 12329936808.

The previous prime is 12329936791. The next prime is 12329936821. The reversal of 12329936809 is 90863992321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9659941225 + 2669995584 = 98285^2 + 51672^2 .

It is a cyclic number.

It is not a de Polignac number, because 12329936809 - 2⁵ = 12329936777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12329936849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164968404 + 6164968405.

It is an arithmetic number, because the mean of its divisors is an integer number (6164968405).

Almost surely, 2^12329936809 is an apocalyptic number.

It is an amenable number.

12329936809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12329936809 is an equidigital number, since it uses as much as digits as its factorization.

12329936809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 12329936809 in words is "twelve billion, three hundred twenty-nine million, nine hundred thirty-six thousand, eight hundred nine".