82322748376021 has 2 divisors, whose sum is σ = 82322748376022. Its totient is φ = 82322748376020.

The previous prime is 82322748376019. The next prime is 82322748376027. The reversal of 82322748376021 is 12067384722328.

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., 81625713743025 + 697034632996 = 9034695^2 + 834886^2 .

It is a cyclic number.

It is not a de Polignac number, because 82322748376021 - 2¹ = 82322748376019 is a prime.

Together with 82322748376019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82322748376027) 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, 41161374188010 + 41161374188011.

It is an arithmetic number, because the mean of its divisors is an integer number (41161374188011).

Almost surely, 2^{82322748376021} is an apocalyptic number.

It is an amenable number.

82322748376021 is a deficient number, since it is larger than the sum of its proper divisors (1).

82322748376021 is an equidigital number, since it uses as much as digits as its factorization.

82322748376021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 82322748376021 in words is "eighty-two trillion, three hundred twenty-two billion, seven hundred forty-eight million, three hundred seventy-six thousand, twenty-one".