2044946189 has 16 divisors (see below), whose sum is σ = 2436303744. Its totient is φ = 1691860800.

The previous prime is 2044946161. The next prime is 2044946219. The reversal of 2044946189 is 9816494402.

It is a cyclic number.

It is not a de Polignac number, because 2044946189 - 2²⁴ = 2028168973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044946119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90554 + ... + 110859.

It is an arithmetic number, because the mean of its divisors is an integer number (152268984).

Almost surely, 2^2044946189 is an apocalyptic number.

It is an amenable number.

2044946189 is a deficient number, since it is larger than the sum of its proper divisors (391357555).

2044946189 is a wasteful number, since it uses less digits than its factorization.

2044946189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201508.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2044946189 is about 45221.0812453661. The cubic root of 2044946189 is about 1269.2893266980.

The spelling of 2044946189 in words is "two billion, forty-four million, nine hundred forty-six thousand, one hundred eighty-nine".