2066434823 has 2 divisors, whose sum is σ = 2066434824. Its totient is φ = 2066434822.

The previous prime is 2066434771. The next prime is 2066434873. The reversal of 2066434823 is 3284346602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066434823 - 2¹⁰ = 2066433799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066434873) 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, 1033217411 + 1033217412.

It is an arithmetic number, because the mean of its divisors is an integer number (1033217412).

Almost surely, 2^2066434823 is an apocalyptic number.

2066434823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066434823 is an equidigital number, since it uses as much as digits as its factorization.

2066434823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2066434823 is about 45458.0556447369. The cubic root of 2066434823 is about 1273.7198116362.

The spelling of 2066434823 in words is "two billion, sixty-six million, four hundred thirty-four thousand, eight hundred twenty-three".