129446166943 has 2 divisors, whose sum is σ = 129446166944. Its totient is φ = 129446166942.

The previous prime is 129446166877. The next prime is 129446166947. The reversal of 129446166943 is 349661644921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129446166943 - 2¹⁷ = 129446035871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129446166947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64723083471 + 64723083472.

It is an arithmetic number, because the mean of its divisors is an integer number (64723083472).

Almost surely, 2^129446166943 is an apocalyptic number.

129446166943 is a deficient number, since it is larger than the sum of its proper divisors (1).

129446166943 is an equidigital number, since it uses as much as digits as its factorization.

129446166943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 55.

The spelling of 129446166943 in words is "one hundred twenty-nine billion, four hundred forty-six million, one hundred sixty-six thousand, nine hundred forty-three".