2066997259 has 2 divisors, whose sum is σ = 2066997260. Its totient is φ = 2066997258.

The previous prime is 2066997239. The next prime is 2066997311. The reversal of 2066997259 is 9527996602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066997259 - 2⁹ = 2066996747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066997239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033498629 + 1033498630.

It is an arithmetic number, because the mean of its divisors is an integer number (1033498630).

Almost surely, 2^2066997259 is an apocalyptic number.

2066997259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066997259 is an equidigital number, since it uses as much as digits as its factorization.

2066997259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 2066997259 is about 45464.2415421175. The cubic root of 2066997259 is about 1273.8353602264.

The spelling of 2066997259 in words is "two billion, sixty-six million, nine hundred ninety-seven thousand, two hundred fifty-nine".