8344421233 has 2 divisors, whose sum is σ = 8344421234. Its totient is φ = 8344421232.

The previous prime is 8344421231. The next prime is 8344421243. The reversal of 8344421233 is 3321244438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8327840049 + 16581184 = 91257^2 + 4072^2 .

It is a cyclic number.

It is not a de Polignac number, because 8344421233 - 2¹ = 8344421231 is a prime.

Together with 8344421231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8344421231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172210616 + 4172210617.

It is an arithmetic number, because the mean of its divisors is an integer number (4172210617).

Almost surely, 2^8344421233 is an apocalyptic number.

It is an amenable number.

8344421233 is a deficient number, since it is larger than the sum of its proper divisors (1).

8344421233 is an equidigital number, since it uses as much as digits as its factorization.

8344421233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 8344421233 is about 91347.8036572309. The cubic root of 8344421233 is about 2028.2994512893.

The spelling of 8344421233 in words is "eight billion, three hundred forty-four million, four hundred twenty-one thousand, two hundred thirty-three".