8209322243 has 2 divisors, whose sum is σ = 8209322244. Its totient is φ = 8209322242.

The previous prime is 8209322119. The next prime is 8209322249. The reversal of 8209322243 is 3422239028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8209322243 - 2¹² = 8209318147 is a prime.

It is not a weakly prime, because it can be changed into another prime (8209322249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104661121 + 4104661122.

It is an arithmetic number, because the mean of its divisors is an integer number (4104661122).

Almost surely, 2^8209322243 is an apocalyptic number.

8209322243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8209322243 is an equidigital number, since it uses as much as digits as its factorization.

8209322243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 8209322243 is about 90605.3102362108. The cubic root of 8209322243 is about 2017.2935557208.

The spelling of 8209322243 in words is "eight billion, two hundred nine million, three hundred twenty-two thousand, two hundred forty-three".