206353942241 has 2 divisors, whose sum is σ = 206353942242. Its totient is φ = 206353942240.

The previous prime is 206353942231. The next prime is 206353942243. The reversal of 206353942241 is 142249353602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204051861841 + 2302080400 = 451721^2 + 47980^2 .

It is a cyclic number.

It is not a de Polignac number, because 206353942241 - 2¹⁴ = 206353925857 is a prime.

Together with 206353942243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206353942243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103176971120 + 103176971121.

It is an arithmetic number, because the mean of its divisors is an integer number (103176971121).

Almost surely, 2^206353942241 is an apocalyptic number.

It is an amenable number.

206353942241 is a deficient number, since it is larger than the sum of its proper divisors (1).

206353942241 is an equidigital number, since it uses as much as digits as its factorization.

206353942241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 206353942241 in words is "two hundred six billion, three hundred fifty-three million, nine hundred forty-two thousand, two hundred forty-one".