2066099089 has 4 divisors (see below), whose sum is σ = 2069769456. Its totient is φ = 2062428724.

The previous prime is 2066099069. The next prime is 2066099137. The reversal of 2066099089 is 9809906602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9809906602 = 2 ⋅4904953301.

It is a cyclic number.

It is not a de Polignac number, because 2066099089 - 2¹⁷ = 2065968017 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066099069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834339 + ... + 1835464.

It is an arithmetic number, because the mean of its divisors is an integer number (517442364).

Almost surely, 2^2066099089 is an apocalyptic number.

It is an amenable number.

2066099089 is a deficient number, since it is larger than the sum of its proper divisors (3670367).

2066099089 is an equidigital number, since it uses as much as digits as its factorization.

2066099089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670366.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2066099089 is about 45454.3627059054. The cubic root of 2066099089 is about 1273.6508274122.

The spelling of 2066099089 in words is "two billion, sixty-six million, ninety-nine thousand, eighty-nine".