689322233 has 2 divisors, whose sum is σ = 689322234. Its totient is φ = 689322232.

The previous prime is 689322229. The next prime is 689322241. The reversal of 689322233 is 332223986.

689322233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417303184 + 272019049 = 20428^2 + 16493^2 .

It is a cyclic number.

It is not a de Polignac number, because 689322233 - 2² = 689322229 is a prime.

It is not a weakly prime, because it can be changed into another prime (689322253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344661116 + 344661117.

It is an arithmetic number, because the mean of its divisors is an integer number (344661117).

Almost surely, 2^689322233 is an apocalyptic number.

It is an amenable number.

689322233 is a deficient number, since it is larger than the sum of its proper divisors (1).

689322233 is an equidigital number, since it uses as much as digits as its factorization.

689322233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 689322233 is about 26254.9468291216. The cubic root of 689322233 is about 883.3661676969.

The spelling of 689322233 in words is "six hundred eighty-nine million, three hundred twenty-two thousand, two hundred thirty-three".