128413933812943 has 2 divisors, whose sum is σ = 128413933812944. Its totient is φ = 128413933812942.

The previous prime is 128413933812821. The next prime is 128413933812973. The reversal of 128413933812943 is 349218339314821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128413933812943 - 2⁴¹ = 126214910557391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128413933812973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64206966906471 + 64206966906472.

It is an arithmetic number, because the mean of its divisors is an integer number (64206966906472).

Almost surely, 2^{128413933812943} is an apocalyptic number.

128413933812943 is a deficient number, since it is larger than the sum of its proper divisors (1).

128413933812943 is an equidigital number, since it uses as much as digits as its factorization.

128413933812943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 61.

The spelling of 128413933812943 in words is "one hundred twenty-eight trillion, four hundred thirteen billion, nine hundred thirty-three million, eight hundred twelve thousand, nine hundred forty-three".