82155036629 has 2 divisors, whose sum is σ = 82155036630. Its totient is φ = 82155036628.

The previous prime is 82155036617. The next prime is 82155036661. The reversal of 82155036629 is 92663055128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70684198225 + 11470838404 = 265865^2 + 107102^2 .

It is a cyclic number.

It is not a de Polignac number, because 82155036629 - 2²⁰ = 82153988053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82155036679) 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, 41077518314 + 41077518315.

It is an arithmetic number, because the mean of its divisors is an integer number (41077518315).

Almost surely, 2^82155036629 is an apocalyptic number.

It is an amenable number.

82155036629 is a deficient number, since it is larger than the sum of its proper divisors (1).

82155036629 is an equidigital number, since it uses as much as digits as its factorization.

82155036629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 82155036629 in words is "eighty-two billion, one hundred fifty-five million, thirty-six thousand, six hundred twenty-nine".