2013811443 has 16 divisors (see below), whose sum is σ = 3409628160. Its totient is φ = 1150749288.

The previous prime is 2013811433. The next prime is 2013811453. The reversal of 2013811443 is 3441183102.

2013811443 is a `hidden beast` number, since 201 + 3 + 8 + 11 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (2013811433) and next prime (2013811453).

It is not a de Polignac number, because 2013811443 - 2¹³ = 2013803251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2013811433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5327355 + ... + 5327732.

It is an arithmetic number, because the mean of its divisors is an integer number (213101760).

Almost surely, 2^2013811443 is an apocalyptic number.

2013811443 is a deficient number, since it is larger than the sum of its proper divisors (1395816717).

2013811443 is a wasteful number, since it uses less digits than its factorization.

2013811443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655103 (or 10655097 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2013811443 is about 44875.5105040600. The cubic root of 2013811443 is about 1262.8146206443.

Adding to 2013811443 its reverse (3441183102), we get a palindrome (5454994545).

The spelling of 2013811443 in words is "two billion, thirteen million, eight hundred eleven thousand, four hundred forty-three".