2019089 has 2 divisors, whose sum is σ = 2019090. Its totient is φ = 2019088.

The previous prime is 2019077. The next prime is 2019113. The reversal of 2019089 is 9809102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 380689 = 1280^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2019089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2019019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009544 + 1009545.

It is an arithmetic number, because the mean of its divisors is an integer number (1009545).

2^2019089 is an apocalyptic number.

It is an amenable number.

2019089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019089 is an equidigital number, since it uses as much as digits as its factorization.

2019089 is an evil number, because the sum of its binary digits is even.

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

The square root of 2019089 is about 1420.9465155311. The cubic root of 2019089 is about 126.3916803062.

The spelling of 2019089 in words is "two million, nineteen thousand, eighty-nine".