200444444444197 has 2 divisors, whose sum is σ = 200444444444198. Its totient is φ = 200444444444196.

The previous prime is 200444444444191. The next prime is 200444444444333. The reversal of 200444444444197 is 791444444444002.

200444444444197 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., 126737858199681 + 73706586244516 = 11257791^2 + 8585254^2 .

It is a cyclic number.

It is not a de Polignac number, because 200444444444197 - 2¹¹ = 200444444442149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200444444444191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100222222222098 + 100222222222099.

It is an arithmetic number, because the mean of its divisors is an integer number (100222222222099).

Almost surely, 2^{200444444444197} is an apocalyptic number.

It is an amenable number.

200444444444197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200444444444197 is an equidigital number, since it uses as much as digits as its factorization.

200444444444197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33030144, while the sum is 55.

Adding to 200444444444197 its reverse (791444444444002), we get a palindrome (991888888888199).

The spelling of 200444444444197 in words is "two hundred trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, one hundred ninety-seven".