82518456443 has 2 divisors, whose sum is σ = 82518456444. Its totient is φ = 82518456442.

The previous prime is 82518456341. The next prime is 82518456457. The reversal of 82518456443 is 34465481528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82518456443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82518456391 and 82518456400.

It is not a weakly prime, because it can be changed into another prime (82518456473) 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, 41259228221 + 41259228222.

It is an arithmetic number, because the mean of its divisors is an integer number (41259228222).

Almost surely, 2^82518456443 is an apocalyptic number.

82518456443 is a deficient number, since it is larger than the sum of its proper divisors (1).

82518456443 is an equidigital number, since it uses as much as digits as its factorization.

82518456443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3686400, while the sum is 50.

The spelling of 82518456443 in words is "eighty-two billion, five hundred eighteen million, four hundred fifty-six thousand, four hundred forty-three".