8218526243 has 2 divisors, whose sum is σ = 8218526244. Its totient is φ = 8218526242.

The previous prime is 8218526237. The next prime is 8218526293. The reversal of 8218526243 is 3426258128.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8218526243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8218526243.

It is not a weakly prime, because it can be changed into another prime (8218526233) 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, 4109263121 + 4109263122.

It is an arithmetic number, because the mean of its divisors is an integer number (4109263122).

Almost surely, 2^8218526243 is an apocalyptic number.

8218526243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8218526243 is an equidigital number, since it uses as much as digits as its factorization.

8218526243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 41.

The square root of 8218526243 is about 90656.0877327055. The cubic root of 8218526243 is about 2018.0471800643.

The spelling of 8218526243 in words is "eight billion, two hundred eighteen million, five hundred twenty-six thousand, two hundred forty-three".