2113543443 has 8 divisors (see below), whose sum is σ = 3074245056. Its totient is φ = 1280935400.

The previous prime is 2113543427. The next prime is 2113543469. The reversal of 2113543443 is 3443453112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113543443 - 2⁴ = 2113543427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113543443.

It is not an unprimeable number, because it can be changed into a prime (2113543493) 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 7 ways as a sum of consecutive naturals, for example, 32023353 + ... + 32023418.

It is an arithmetic number, because the mean of its divisors is an integer number (384280632).

Almost surely, 2^2113543443 is an apocalyptic number.

2113543443 is a deficient number, since it is larger than the sum of its proper divisors (960701613).

2113543443 is a wasteful number, since it uses less digits than its factorization.

2113543443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64046785.

The product of its digits is 17280, while the sum is 30.

The square root of 2113543443 is about 45973.2905391816. The cubic root of 2113543443 is about 1283.3261967033.

Adding to 2113543443 its reverse (3443453112), we get a palindrome (5556996555).

The spelling of 2113543443 in words is "two billion, one hundred thirteen million, five hundred forty-three thousand, four hundred forty-three".