129240432980383 has 2 divisors, whose sum is σ = 129240432980384. Its totient is φ = 129240432980382.

The previous prime is 129240432980357. The next prime is 129240432980539. The reversal of 129240432980383 is 383089234042921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129240432980383 - 2⁹ = 129240432979871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129240432980333) 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, 64620216490191 + 64620216490192.

It is an arithmetic number, because the mean of its divisors is an integer number (64620216490192).

Almost surely, 2^{129240432980383} is an apocalyptic number.

129240432980383 is a deficient number, since it is larger than the sum of its proper divisors (1).

129240432980383 is an equidigital number, since it uses as much as digits as its factorization.

129240432980383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 129240432980383 in words is "one hundred twenty-nine trillion, two hundred forty billion, four hundred thirty-two million, nine hundred eighty thousand, three hundred eighty-three".