2003044421 has 8 divisors (see below), whose sum is σ = 2298773760. Its totient is φ = 1709710128.

The previous prime is 2003044411. The next prime is 2003044453. The reversal of 2003044421 is 1244403002.

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

It is not a de Polignac number, because 2003044421 - 2⁶ = 2003044357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003044393 and 2003044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003044411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596966 + ... + 600311.

It is an arithmetic number, because the mean of its divisors is an integer number (287346720).

Almost surely, 2^2003044421 is an apocalyptic number.

It is an amenable number.

2003044421 is a deficient number, since it is larger than the sum of its proper divisors (295729339).

2003044421 is a wasteful number, since it uses less digits than its factorization.

2003044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197523.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2003044421 is about 44755.3842682643. The cubic root of 2003044421 is about 1260.5600141422.

Adding to 2003044421 its reverse (1244403002), we get a palindrome (3247447423).

The spelling of 2003044421 in words is "two billion, three million, forty-four thousand, four hundred twenty-one".