206244443 has 2 divisors, whose sum is σ = 206244444. Its totient is φ = 206244442.

The previous prime is 206244403. The next prime is 206244461. The reversal of 206244443 is 344442602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206244443 - 2¹² = 206240347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (206244403) 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, 103122221 + 103122222.

It is an arithmetic number, because the mean of its divisors is an integer number (103122222).

Almost surely, 2^206244443 is an apocalyptic number.

206244443 is a deficient number, since it is larger than the sum of its proper divisors (1).

206244443 is an equidigital number, since it uses as much as digits as its factorization.

206244443 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 29.

The square root of 206244443 is about 14361.2131451351. The cubic root of 206244443 is about 590.8275689101.

The spelling of 206244443 in words is "two hundred six million, two hundred forty-four thousand, four hundred forty-three".