12329905829 has 2 divisors, whose sum is σ = 12329905830. Its totient is φ = 12329905828.

The previous prime is 12329905813. The next prime is 12329905831. The reversal of 12329905829 is 92850992321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12315450625 + 14455204 = 110975^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 12329905829 - 2⁴ = 12329905813 is a prime.

Together with 12329905831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12329905529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164952914 + 6164952915.

It is an arithmetic number, because the mean of its divisors is an integer number (6164952915).

Almost surely, 2^12329905829 is an apocalyptic number.

It is an amenable number.

12329905829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12329905829 is an equidigital number, since it uses as much as digits as its factorization.

12329905829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 12329905829 in words is "twelve billion, three hundred twenty-nine million, nine hundred five thousand, eight hundred twenty-nine".