200019089 has 2 divisors, whose sum is σ = 200019090. Its totient is φ = 200019088.

The previous prime is 200019067. The next prime is 200019091. The reversal of 200019089 is 980910002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107474689 + 92544400 = 10367^2 + 9620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200019089 is a prime.

Together with 200019091, 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 (200019019) 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, 100009544 + 100009545.

It is an arithmetic number, because the mean of its divisors is an integer number (100009545).

Almost surely, 2^200019089 is an apocalyptic number.

It is an amenable number.

200019089 is a deficient number, since it is larger than the sum of its proper divisors (1).

200019089 is an equidigital number, since it uses as much as digits as its factorization.

200019089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 200019089 is about 14142.8105056951. The cubic root of 200019089 is about 584.8221525755.

The spelling of 200019089 in words is "two hundred million, nineteen thousand, eighty-nine".