2133534243 has 4 divisors (see below), whose sum is σ = 2844712328. Its totient is φ = 1422356160.

The previous prime is 2133534233. The next prime is 2133534269. The reversal of 2133534243 is 3424353312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2133534243 - 2²⁵ = 2099979811 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 2133534243.

It is not an unprimeable number, because it can be changed into a prime (2133534233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355589038 + ... + 355589043.

It is an arithmetic number, because the mean of its divisors is an integer number (711178082).

Almost surely, 2^2133534243 is an apocalyptic number.

2133534243 is a deficient number, since it is larger than the sum of its proper divisors (711178085).

2133534243 is an equidigital number, since it uses as much as digits as its factorization.

2133534243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711178084.

The product of its digits is 25920, while the sum is 30.

The square root of 2133534243 is about 46190.1963949061. The cubic root of 2133534243 is about 1287.3595899036.

Adding to 2133534243 its reverse (3424353312), we get a palindrome (5557887555).

The spelling of 2133534243 in words is "two billion, one hundred thirty-three million, five hundred thirty-four thousand, two hundred forty-three".