2044003243 has 4 divisors (see below), whose sum is σ = 2044609408. Its totient is φ = 2043397080.

The previous prime is 2044003231. The next prime is 2044003249. The reversal of 2044003243 is 3423004402.

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

It is a cyclic number.

It is not a de Polignac number, because 2044003243 - 2⁹ = 2044002731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044003249) 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 3 ways as a sum of consecutive naturals, for example, 297996 + ... + 304777.

It is an arithmetic number, because the mean of its divisors is an integer number (511152352).

Almost surely, 2^2044003243 is an apocalyptic number.

2044003243 is a deficient number, since it is larger than the sum of its proper divisors (606165).

2044003243 is an equidigital number, since it uses as much as digits as its factorization.

2044003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606164.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2044003243 is about 45210.6540872835. The cubic root of 2044003243 is about 1269.0942025247.

Adding to 2044003243 its reverse (3423004402), we get a palindrome (5467007645).

The spelling of 2044003243 in words is "two billion, forty-four million, three thousand, two hundred forty-three".