82547042441 has 2 divisors, whose sum is σ = 82547042442. Its totient is φ = 82547042440.

The previous prime is 82547042407. The next prime is 82547042447. The reversal of 82547042441 is 14424074528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53463150841 + 29083891600 = 231221^2 + 170540^2 .

It is a cyclic number.

It is not a de Polignac number, because 82547042441 - 2³⁰ = 81473300617 is a prime.

It is not a weakly prime, because it can be changed into another prime (82547042447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41273521220 + 41273521221.

It is an arithmetic number, because the mean of its divisors is an integer number (41273521221).

Almost surely, 2^82547042441 is an apocalyptic number.

It is an amenable number.

82547042441 is a deficient number, since it is larger than the sum of its proper divisors (1).

82547042441 is an equidigital number, since it uses as much as digits as its factorization.

82547042441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 41.

The spelling of 82547042441 in words is "eighty-two billion, five hundred forty-seven million, forty-two thousand, four hundred forty-one".