2134204243 has 4 divisors (see below), whose sum is σ = 2134376080. Its totient is φ = 2134032408.

The previous prime is 2134204213. The next prime is 2134204277. The reversal of 2134204243 is 3424024312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2134204243 - 2⁵ = 2134204211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134204213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65703 + ... + 92656.

It is an arithmetic number, because the mean of its divisors is an integer number (533594020).

Almost surely, 2^2134204243 is an apocalyptic number.

2134204243 is a deficient number, since it is larger than the sum of its proper divisors (171837).

2134204243 is a wasteful number, since it uses less digits than its factorization.

2134204243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171836.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2134204243 is about 46197.4484468569. The cubic root of 2134204243 is about 1287.4943335660.

Adding to 2134204243 its reverse (3424024312), we get a palindrome (5558228555).

The spelling of 2134204243 in words is "two billion, one hundred thirty-four million, two hundred four thousand, two hundred forty-three".