2044509709 has 8 divisors (see below), whose sum is σ = 2361572928. Its totient is φ = 1749312960.

The previous prime is 2044509689. The next prime is 2044509749. The reversal of 2044509709 is 9079054402.

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

It is a cyclic number.

It is not a de Polignac number, because 2044509709 - 2⁷ = 2044509581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044509749) 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, 5466417 + ... + 5466790.

It is an arithmetic number, because the mean of its divisors is an integer number (295196616).

Almost surely, 2^2044509709 is an apocalyptic number.

It is an amenable number.

2044509709 is a deficient number, since it is larger than the sum of its proper divisors (317063219).

2044509709 is a wasteful number, since it uses less digits than its factorization.

2044509709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933235.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2044509709 is about 45216.2549201059. The cubic root of 2044509709 is about 1269.1990131842.

The spelling of 2044509709 in words is "two billion, forty-four million, five hundred nine thousand, seven hundred nine".