4042421163 has 12 divisors (see below), whose sum is σ = 6369875928. Its totient is φ = 2449952160.

The previous prime is 4042421153. The next prime is 4042421179. The reversal of 4042421163 is 3611242404.

It is a happy number.

4042421163 is a `hidden beast` number, since 40 + 42 + 421 + 163 = 666.

It is not a de Polignac number, because 4042421163 - 2⁴ = 4042421147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042421113) 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, 20416170 + ... + 20416367.

It is an arithmetic number, because the mean of its divisors is an integer number (530822994).

Almost surely, 2^4042421163 is an apocalyptic number.

4042421163 is a deficient number, since it is larger than the sum of its proper divisors (2327454765).

4042421163 is a wasteful number, since it uses less digits than its factorization.

4042421163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40832554 (or 40832551 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4042421163 is about 63580.0374567364. The cubic root of 4042421163 is about 1592.9929469839.

Adding to 4042421163 its reverse (3611242404), we get a palindrome (7653663567).

The spelling of 4042421163 in words is "four billion, forty-two million, four hundred twenty-one thousand, one hundred sixty-three".