82266241537549 has 2 divisors, whose sum is σ = 82266241537550. Its totient is φ = 82266241537548.

The previous prime is 82266241537483. The next prime is 82266241537603. The reversal of 82266241537549 is 94573514266228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82250715131524 + 15526406025 = 9069218^2 + 124605^2 .

It is a cyclic number.

It is not a de Polignac number, because 82266241537549 - 2²³ = 82266233148941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82266241537049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41133120768774 + 41133120768775.

It is an arithmetic number, because the mean of its divisors is an integer number (41133120768775).

Almost surely, 2^{82266241537549} is an apocalyptic number.

It is an amenable number.

82266241537549 is a deficient number, since it is larger than the sum of its proper divisors (1).

82266241537549 is an equidigital number, since it uses as much as digits as its factorization.

82266241537549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 64.

The spelling of 82266241537549 in words is "eighty-two trillion, two hundred sixty-six billion, two hundred forty-one million, five hundred thirty-seven thousand, five hundred forty-nine".