129411742343399 has 2 divisors, whose sum is σ = 129411742343400. Its totient is φ = 129411742343398.

The previous prime is 129411742343369. The next prime is 129411742343449. The reversal of 129411742343399 is 993343247114921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129411742343399 - 2²⁸ = 129411473907943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129411742343369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64705871171699 + 64705871171700.

It is an arithmetic number, because the mean of its divisors is an integer number (64705871171700).

Almost surely, 2^{129411742343399} is an apocalyptic number.

129411742343399 is a deficient number, since it is larger than the sum of its proper divisors (1).

129411742343399 is an equidigital number, since it uses as much as digits as its factorization.

129411742343399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 62.

The spelling of 129411742343399 in words is "one hundred twenty-nine trillion, four hundred eleven billion, seven hundred forty-two million, three hundred forty-three thousand, three hundred ninety-nine".