12338798429 has 2 divisors, whose sum is σ = 12338798430. Its totient is φ = 12338798428.

The previous prime is 12338798413. The next prime is 12338798453. The reversal of 12338798429 is 92489783321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7609072900 + 4729725529 = 87230^2 + 68773^2 .

It is a cyclic number.

It is not a de Polignac number, because 12338798429 - 2⁴ = 12338798413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12338798029) 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, 6169399214 + 6169399215.

It is an arithmetic number, because the mean of its divisors is an integer number (6169399215).

Almost surely, 2^12338798429 is an apocalyptic number.

It is an amenable number.

12338798429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12338798429 is an equidigital number, since it uses as much as digits as its factorization.

12338798429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 12338798429 in words is "twelve billion, three hundred thirty-eight million, seven hundred ninety-eight thousand, four hundred twenty-nine".