2011204189 has 2 divisors, whose sum is σ = 2011204190. Its totient is φ = 2011204188.

The previous prime is 2011204187. The next prime is 2011204229. The reversal of 2011204189 is 9814021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1622720089 + 388484100 = 40283^2 + 19710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011204189 - 2¹ = 2011204187 is a prime.

It is a super-2 number, since 2×2011204189² = 8089884579702295442, which contains 22 as substring.

Together with 2011204187, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011204187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005602094 + 1005602095.

It is an arithmetic number, because the mean of its divisors is an integer number (1005602095).

Almost surely, 2^2011204189 is an apocalyptic number.

It is an amenable number.

2011204189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011204189 is an equidigital number, since it uses as much as digits as its factorization.

2011204189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2011204189 is about 44846.4512419879. The cubic root of 2011204189 is about 1262.2694023694.

The spelling of 2011204189 in words is "two billion, eleven million, two hundred four thousand, one hundred eighty-nine".