82919282729 has 2 divisors, whose sum is σ = 82919282730. Its totient is φ = 82919282728.

The previous prime is 82919282659. The next prime is 82919282731. The reversal of 82919282729 is 92728291928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49586382400 + 33332900329 = 222680^2 + 182573^2 .

It is a cyclic number.

It is not a de Polignac number, because 82919282729 - 2⁸ = 82919282473 is a prime.

Together with 82919282731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82919282779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41459641364 + 41459641365.

It is an arithmetic number, because the mean of its divisors is an integer number (41459641365).

Almost surely, 2^82919282729 is an apocalyptic number.

It is an amenable number.

82919282729 is a deficient number, since it is larger than the sum of its proper divisors (1).

82919282729 is an equidigital number, since it uses as much as digits as its factorization.

82919282729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 59.

The spelling of 82919282729 in words is "eighty-two billion, nine hundred nineteen million, two hundred eighty-two thousand, seven hundred twenty-nine".