82054249993 has 2 divisors, whose sum is σ = 82054249994. Its totient is φ = 82054249992.

The previous prime is 82054249987. The next prime is 82054249997. The reversal of 82054249993 is 39994245028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81445739769 + 608510224 = 285387^2 + 24668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82054249993 is a prime.

It is not a weakly prime, because it can be changed into another prime (82054249997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41027124996 + 41027124997.

It is an arithmetic number, because the mean of its divisors is an integer number (41027124997).

Almost surely, 2^82054249993 is an apocalyptic number.

It is an amenable number.

82054249993 is a deficient number, since it is larger than the sum of its proper divisors (1).

82054249993 is an equidigital number, since it uses as much as digits as its factorization.

82054249993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 82054249993 in words is "eighty-two billion, fifty-four million, two hundred forty-nine thousand, nine hundred ninety-three".