2044489109 has 8 divisors (see below), whose sum is σ = 2205718200. Its totient is φ = 1883825856.

The previous prime is 2044489103. The next prime is 2044489147. The reversal of 2044489109 is 9019844402.

It can be written as a sum of positive squares in 4 ways, for example, as 75082225 + 1969406884 = 8665^2 + 44378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044489109 is a prime.

It is a super-2 number, since 2×2044489109² = 8359871433639227762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044489103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133934 + ... + 148415.

It is an arithmetic number, because the mean of its divisors is an integer number (275714775).

Almost surely, 2^2044489109 is an apocalyptic number.

It is an amenable number.

2044489109 is a deficient number, since it is larger than the sum of its proper divisors (161229091).

2044489109 is a wasteful number, since it uses less digits than its factorization.

2044489109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282919.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2044489109 is about 45216.0271253457. The cubic root of 2044489109 is about 1269.1947504528.

The spelling of 2044489109 in words is "two billion, forty-four million, four hundred eighty-nine thousand, one hundred nine".