1044321309 has 8 divisors (see below), whose sum is σ = 1547142720. Its totient is φ = 696214188.

The previous prime is 1044321293. The next prime is 1044321329. The reversal of 1044321309 is 9031234401.

1044321309 is a `hidden beast` number, since 1 + 0 + 443 + 213 + 0 + 9 = 666.

It is not a de Polignac number, because 1044321309 - 2⁴ = 1044321293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38678567 = 1044321309 / (1 + 0 + 4 + 4 + 3 + 2 + 1 + 3 + 0 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19339257 + ... + 19339310.

It is an arithmetic number, because the mean of its divisors is an integer number (193392840).

Almost surely, 2^1044321309 is an apocalyptic number.

It is an amenable number.

1044321309 is a deficient number, since it is larger than the sum of its proper divisors (502821411).

1044321309 is an equidigital number, since it uses as much as digits as its factorization.

1044321309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38678576 (or 38678570 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1044321309 is about 32315.9605922522. The cubic root of 1044321309 is about 1014.5607258985.

The spelling of 1044321309 in words is "one billion, forty-four million, three hundred twenty-one thousand, three hundred nine".