2004043013 has 8 divisors (see below), whose sum is σ = 2337076800. Its totient is φ = 1717750860.

The previous prime is 2004043003. The next prime is 2004043021. The reversal of 2004043013 is 3103404002.

It is not a de Polignac number, because 2004043013 - 2⁶ = 2004042949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004042982 and 2004043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004043003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2921003 + ... + 2921688.

It is an arithmetic number, because the mean of its divisors is an integer number (292134600).

Almost surely, 2^2004043013 is an apocalyptic number.

It is an amenable number.

2004043013 is a deficient number, since it is larger than the sum of its proper divisors (333033787).

2004043013 is an frugal number, since it uses more digits than its factorization.

2004043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842712 (or 5842698 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2004043013 is about 44766.5389884007. The cubic root of 2004043013 is about 1260.7694579945.

Adding to 2004043013 its reverse (3103404002), we get a palindrome (5107447015).

The spelling of 2004043013 in words is "two billion, four million, forty-three thousand, thirteen".