8641202243 has 2 divisors, whose sum is σ = 8641202244. Its totient is φ = 8641202242.

The previous prime is 8641202231. The next prime is 8641202303. The reversal of 8641202243 is 3422021468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8641202243 - 2¹² = 8641198147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8641702243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320601121 + 4320601122.

It is an arithmetic number, because the mean of its divisors is an integer number (4320601122).

Almost surely, 2^8641202243 is an apocalyptic number.

8641202243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8641202243 is an equidigital number, since it uses as much as digits as its factorization.

8641202243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 8641202243 is about 92958.0671216866. The cubic root of 8641202243 is about 2052.0663078299.

The spelling of 8641202243 in words is "eight billion, six hundred forty-one million, two hundred two thousand, two hundred forty-three".