4066941889 has 4 divisors (see below), whose sum is σ = 4067914180. Its totient is φ = 4065969600.

The previous prime is 4066941833. The next prime is 4066941937. The reversal of 4066941889 is 9881496604.

4066941889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1725156225 + 2341785664 = 41535^2 + 48392^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066941889 - 2⁹ = 4066941377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4066941829) 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, 479844 + ... + 488245.

It is an arithmetic number, because the mean of its divisors is an integer number (1016978545).

Almost surely, 2^4066941889 is an apocalyptic number.

It is an amenable number.

4066941889 is a deficient number, since it is larger than the sum of its proper divisors (972291).

4066941889 is an equidigital number, since it uses as much as digits as its factorization.

4066941889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972290.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 4066941889 is about 63772.5794444603. The cubic root of 4066941889 is about 1596.2074090587.

The spelling of 4066941889 in words is "four billion, sixty-six million, nine hundred forty-one thousand, eight hundred eighty-nine".