2066466089 has 2 divisors, whose sum is σ = 2066466090. Its totient is φ = 2066466088.

The previous prime is 2066466067. The next prime is 2066466173. The reversal of 2066466089 is 9806646602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1893990400 + 172475689 = 43520^2 + 13133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066466089 - 2⁸ = 2066465833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2066466019) 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, 1033233044 + 1033233045.

It is an arithmetic number, because the mean of its divisors is an integer number (1033233045).

Almost surely, 2^2066466089 is an apocalyptic number.

It is an amenable number.

2066466089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066466089 is an equidigital number, since it uses as much as digits as its factorization.

2066466089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 2066466089 is about 45458.3995428788. The cubic root of 2066466089 is about 1273.7262355702.

The spelling of 2066466089 in words is "two billion, sixty-six million, four hundred sixty-six thousand, eighty-nine".