2013004421 has 4 divisors (see below), whose sum is σ = 2047123200. Its totient is φ = 1978885644.

The previous prime is 2013004417. The next prime is 2013004439. The reversal of 2013004421 is 1244003102.

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 not a de Polignac number, because 2013004421 - 2² = 2013004417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013004121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17059301 + ... + 17059418.

It is an arithmetic number, because the mean of its divisors is an integer number (511780800).

Almost surely, 2^2013004421 is an apocalyptic number.

It is an amenable number.

2013004421 is a deficient number, since it is larger than the sum of its proper divisors (34118779).

2013004421 is an equidigital number, since it uses as much as digits as its factorization.

2013004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34118778.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2013004421 is about 44866.5178167417. The cubic root of 2013004421 is about 1262.6459098232.

Adding to 2013004421 its reverse (1244003102), we get a palindrome (3257007523).

The spelling of 2013004421 in words is "two billion, thirteen million, four thousand, four hundred twenty-one".