12343277729 has 2 divisors, whose sum is σ = 12343277730. Its totient is φ = 12343277728.

The previous prime is 12343277717. The next prime is 12343277747. The reversal of 12343277729 is 92777234321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10204030225 + 2139247504 = 101015^2 + 46252^2 .

It is a cyclic number.

It is not a de Polignac number, because 12343277729 - 2²⁰ = 12342229153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12343270729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171638864 + 6171638865.

It is an arithmetic number, because the mean of its divisors is an integer number (6171638865).

Almost surely, 2^12343277729 is an apocalyptic number.

It is an amenable number.

12343277729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343277729 is an equidigital number, since it uses as much as digits as its factorization.

12343277729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 47.

The spelling of 12343277729 in words is "twelve billion, three hundred forty-three million, two hundred seventy-seven thousand, seven hundred twenty-nine".