210200002189 has 2 divisors, whose sum is σ = 210200002190. Its totient is φ = 210200002188.

The previous prime is 210200002127. The next prime is 210200002339. The reversal of 210200002189 is 981200002012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209093109289 + 1106892900 = 457267^2 + 33270^2 .

It is a cyclic number.

It is not a de Polignac number, because 210200002189 - 2¹¹ = 210200000141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210200006189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100001094 + 105100001095.

It is an arithmetic number, because the mean of its divisors is an integer number (105100001095).

Almost surely, 2^210200002189 is an apocalyptic number.

It is an amenable number.

210200002189 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200002189 is an equidigital number, since it uses as much as digits as its factorization.

210200002189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 210200002189 in words is "two hundred ten billion, two hundred million, two thousand, one hundred eighty-nine".