201044443217 has 2 divisors, whose sum is σ = 201044443218. Its totient is φ = 201044443216.

The previous prime is 201044443211. The next prime is 201044443279. The reversal of 201044443217 is 712344440102.

201044443217 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., 184392089281 + 16652353936 = 429409^2 + 129044^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044443217 - 2³² = 196749475921 is a prime.

It is not a weakly prime, because it can be changed into another prime (201044443211) 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, 100522221608 + 100522221609.

It is an arithmetic number, because the mean of its divisors is an integer number (100522221609).

Almost surely, 2^201044443217 is an apocalyptic number.

It is an amenable number.

201044443217 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044443217 is an equidigital number, since it uses as much as digits as its factorization.

201044443217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 201044443217 its reverse (712344440102), we get a palindrome (913388883319).

The spelling of 201044443217 in words is "two hundred one billion, forty-four million, four hundred forty-three thousand, two hundred seventeen".