2044430133 has 4 divisors (see below), whose sum is σ = 2725906848. Its totient is φ = 1362953420.

The previous prime is 2044430093. The next prime is 2044430137. The reversal of 2044430133 is 3310344402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044430133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044430137) 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 3 ways as a sum of consecutive naturals, for example, 340738353 + ... + 340738358.

It is an arithmetic number, because the mean of its divisors is an integer number (681476712).

Almost surely, 2^2044430133 is an apocalyptic number.

It is an amenable number.

2044430133 is a deficient number, since it is larger than the sum of its proper divisors (681476715).

2044430133 is an equidigital number, since it uses as much as digits as its factorization.

2044430133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681476714.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2044430133 is about 45215.3749625058. The cubic root of 2044430133 is about 1269.1825464668.

Adding to 2044430133 its reverse (3310344402), we get a palindrome (5354774535).

The spelling of 2044430133 in words is "two billion, forty-four million, four hundred thirty thousand, one hundred thirty-three".