2011000289 has 2 divisors, whose sum is σ = 2011000290. Its totient is φ = 2011000288.

The previous prime is 2011000279. The next prime is 2011000291. The reversal of 2011000289 is 9820001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790982400 + 220017889 = 42320^2 + 14833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011000289 - 2²⁸ = 1742564833 is a prime.

Together with 2011000291, 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 (2011000249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005500144 + 1005500145.

It is an arithmetic number, because the mean of its divisors is an integer number (1005500145).

Almost surely, 2^2011000289 is an apocalyptic number.

It is an amenable number.

2011000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011000289 is an equidigital number, since it uses as much as digits as its factorization.

2011000289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2011000289 is about 44844.1778718263. The cubic root of 2011000289 is about 1262.2267437753.

The spelling of 2011000289 in words is "two billion, eleven million, two hundred eighty-nine", and thus it is an aban number.