4042134243 has 24 divisors (see below), whose sum is σ = 6684158208. Its totient is φ = 2305834992.

The previous prime is 4042134223. The next prime is 4042134247. The reversal of 4042134243 is 3424312404.

It is a happy number.

4042134243 is a `hidden beast` number, since 404 + 2 + 13 + 4 + 243 = 666.

It is not a de Polignac number, because 4042134243 - 2⁵ = 4042134211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042134247) 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 23 ways as a sum of consecutive naturals, for example, 17671 + ... + 91632.

It is an arithmetic number, because the mean of its divisors is an integer number (278506592).

Almost surely, 2^4042134243 is an apocalyptic number.

4042134243 is a deficient number, since it is larger than the sum of its proper divisors (2642023965).

4042134243 is a wasteful number, since it uses less digits than its factorization.

4042134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109903 (or 109900 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4042134243 is about 63577.7810480989. The cubic root of 4042134243 is about 1592.9552573311.

Adding to 4042134243 its reverse (3424312404), we get a palindrome (7466446647).

The spelling of 4042134243 in words is "four billion, forty-two million, one hundred thirty-four thousand, two hundred forty-three".