2013040421 has 8 divisors (see below), whose sum is σ = 2320977984. Its totient is φ = 1710192960.

The previous prime is 2013040391. The next prime is 2013040429. The reversal of 2013040421 is 1240403102.

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

It is not a de Polignac number, because 2013040421 - 2¹⁰ = 2013039397 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 2013040421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013040429) 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, 1271675 + ... + 1273256.

It is an arithmetic number, because the mean of its divisors is an integer number (290122248).

Almost surely, 2^2013040421 is an apocalyptic number.

It is an amenable number.

2013040421 is a deficient number, since it is larger than the sum of its proper divisors (307937563).

2013040421 is a wasteful number, since it uses less digits than its factorization.

2013040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545051.

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

The square root of 2013040421 is about 44866.9190049863. The cubic root of 2013040421 is about 1262.6534367120.

Adding to 2013040421 its reverse (1240403102), we get a palindrome (3253443523).

The spelling of 2013040421 in words is "two billion, thirteen million, forty thousand, four hundred twenty-one".