4043338161 has 4 divisors (see below), whose sum is σ = 5391117552. Its totient is φ = 2695558772.

The previous prime is 4043338139. The next prime is 4043338163. The reversal of 4043338161 is 1618333404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4043338161 - 2⁶ = 4043338097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4043338163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673889691 + ... + 673889696.

It is an arithmetic number, because the mean of its divisors is an integer number (1347779388).

Almost surely, 2^4043338161 is an apocalyptic number.

It is an amenable number.

4043338161 is a deficient number, since it is larger than the sum of its proper divisors (1347779391).

4043338161 is a wasteful number, since it uses less digits than its factorization.

4043338161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347779390.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4043338161 is about 63587.2484150714. The cubic root of 4043338161 is about 1593.1133913781.

The spelling of 4043338161 in words is "four billion, forty-three million, three hundred thirty-eight thousand, one hundred sixty-one".