82547528549 has 2 divisors, whose sum is σ = 82547528550. Its totient is φ = 82547528548.

The previous prime is 82547528533. The next prime is 82547528551. The reversal of 82547528549 is 94582574528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74997656449 + 7549872100 = 273857^2 + 86890^2 .

It is a cyclic number.

It is not a de Polignac number, because 82547528549 - 2⁴ = 82547528533 is a prime.

Together with 82547528551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82547528509) 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, 41273764274 + 41273764275.

It is an arithmetic number, because the mean of its divisors is an integer number (41273764275).

Almost surely, 2^82547528549 is an apocalyptic number.

It is an amenable number.

82547528549 is a deficient number, since it is larger than the sum of its proper divisors (1).

82547528549 is an equidigital number, since it uses as much as digits as its factorization.

82547528549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256000, while the sum is 59.

The spelling of 82547528549 in words is "eighty-two billion, five hundred forty-seven million, five hundred twenty-eight thousand, five hundred forty-nine".