2403044013 has 8 divisors (see below), whose sum is σ = 3205433248. Its totient is φ = 1601342064.

The previous prime is 2403043997. The next prime is 2403044047. The reversal of 2403044013 is 3104403042.

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

It is not a de Polignac number, because 2403044013 - 2⁴ = 2403043997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403044213) 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, 163606 + ... + 177687.

It is an arithmetic number, because the mean of its divisors is an integer number (400679156).

Almost surely, 2^2403044013 is an apocalyptic number.

It is an amenable number.

2403044013 is a deficient number, since it is larger than the sum of its proper divisors (802389235).

2403044013 is a wasteful number, since it uses less digits than its factorization.

2403044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343643.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2403044013 is about 49020.8528383585. The cubic root of 2403044013 is about 1339.4317061879.

Adding to 2403044013 its reverse (3104403042), we get a palindrome (5507447055).

The spelling of 2403044013 in words is "two billion, four hundred three million, forty-four thousand, thirteen".