2013013443 has 12 divisors (see below), whose sum is σ = 3122225160. Its totient is φ = 1150293312.

The previous prime is 2013013439. The next prime is 2013013477. The reversal of 2013013443 is 3443103102.

It is not a de Polignac number, because 2013013443 - 2² = 2013013439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2013013043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6846838 + ... + 6847131.

It is an arithmetic number, because the mean of its divisors is an integer number (260185430).

Almost surely, 2^2013013443 is an apocalyptic number.

2013013443 is a deficient number, since it is larger than the sum of its proper divisors (1109211717).

2013013443 is a wasteful number, since it uses less digits than its factorization.

2013013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13693986 (or 13693979 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2013013443 is about 44866.6183593103. The cubic root of 2013013443 is about 1262.6477961536.

Adding to 2013013443 its reverse (3443103102), we get a palindrome (5456116545).

The spelling of 2013013443 in words is "two billion, thirteen million, thirteen thousand, four hundred forty-three".