2003043413 has 24 divisors (see below), whose sum is σ = 2362088664. Its totient is φ = 1693440000.

The previous prime is 2003043407. The next prime is 2003043431. The reversal of 2003043413 is 3143403002.

It can be written as a sum of positive squares in 4 ways, for example, as 74252689 + 1928790724 = 8617^2 + 43918^2 .

It is not a de Polignac number, because 2003043413 - 2⁶ = 2003043349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003043443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1667213 + ... + 1668413.

It is an arithmetic number, because the mean of its divisors is an integer number (98420361).

Almost surely, 2^2003043413 is an apocalyptic number.

It is an amenable number.

2003043413 is a deficient number, since it is larger than the sum of its proper divisors (359045251).

2003043413 is a wasteful number, since it uses less digits than its factorization.

2003043413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2003043413 is about 44755.3730070480. The cubic root of 2003043413 is about 1260.5598026900.

Adding to 2003043413 its reverse (3143403002), we get a palindrome (5146446415).

The spelling of 2003043413 in words is "two billion, three million, forty-three thousand, four hundred thirteen".