82043716429 has 2 divisors, whose sum is σ = 82043716430. Its totient is φ = 82043716428.

The previous prime is 82043716423. The next prime is 82043716453. The reversal of 82043716429 is 92461734028.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61465813929 + 20577902500 = 247923^2 + 143450^2 .

It is a cyclic number.

It is not a de Polignac number, because 82043716429 - 2¹³ = 82043708237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82043716423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41021858214 + 41021858215.

It is an arithmetic number, because the mean of its divisors is an integer number (41021858215).

Almost surely, 2^82043716429 is an apocalyptic number.

It is an amenable number.

82043716429 is a deficient number, since it is larger than the sum of its proper divisors (1).

82043716429 is an equidigital number, since it uses as much as digits as its factorization.

82043716429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 82043716429 in words is "eighty-two billion, forty-three million, seven hundred sixteen thousand, four hundred twenty-nine".