2066434879 has 2 divisors, whose sum is σ = 2066434880. Its totient is φ = 2066434878.

The previous prime is 2066434873. The next prime is 2066434883. The reversal of 2066434879 is 9784346602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066434879 - 2¹⁹ = 2065910591 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 polite number, since it can be written as a sum of consecutive naturals, namely, 1033217439 + 1033217440.

It is an arithmetic number, because the mean of its divisors is an integer number (1033217440).

Almost surely, 2^2066434879 is an apocalyptic number.

2066434879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066434879 is an equidigital number, since it uses as much as digits as its factorization.

2066434879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 2066434879 is about 45458.0562606894. The cubic root of 2066434879 is about 1273.7198231421.

The spelling of 2066434879 in words is "two billion, sixty-six million, four hundred thirty-four thousand, eight hundred seventy-nine".