1044909939 has 4 divisors (see below), whose sum is σ = 1393213256. Its totient is φ = 696606624.

The previous prime is 1044909919. The next prime is 1044909967. The reversal of 1044909939 is 9399094401.

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

It is not a de Polignac number, because 1044909939 - 2¹⁶ = 1044844403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044909919) 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, 174151654 + ... + 174151659.

It is an arithmetic number, because the mean of its divisors is an integer number (348303314).

Almost surely, 2^1044909939 is an apocalyptic number.

1044909939 is a deficient number, since it is larger than the sum of its proper divisors (348303317).

1044909939 is an equidigital number, since it uses as much as digits as its factorization.

1044909939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348303316.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 1044909939 is about 32325.0667284694. The cubic root of 1044909939 is about 1014.7513085944.

The spelling of 1044909939 in words is "one billion, forty-four million, nine hundred nine thousand, nine hundred thirty-nine".