2066209703 has 2 divisors, whose sum is σ = 2066209704. Its totient is φ = 2066209702.

The previous prime is 2066209667. The next prime is 2066209771. The reversal of 2066209703 is 3079026602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066209703 - 2¹² = 2066205607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066203703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033104851 + 1033104852.

It is an arithmetic number, because the mean of its divisors is an integer number (1033104852).

Almost surely, 2^2066209703 is an apocalyptic number.

2066209703 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066209703 is an equidigital number, since it uses as much as digits as its factorization.

2066209703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 2066209703 is about 45455.5794485121. The cubic root of 2066209703 is about 1273.6735564122.

The spelling of 2066209703 in words is "two billion, sixty-six million, two hundred nine thousand, seven hundred three".