4575917891 has 4 divisors (see below), whose sum is σ = 4576200312. Its totient is φ = 4575635472.

The previous prime is 4575917881. The next prime is 4575917893. The reversal of 4575917891 is 1987195754.

It is a happy number.

4575917891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4575917891 - 2²⁶ = 4508809027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4575917893) 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, 115325 + ... + 149838.

It is an arithmetic number, because the mean of its divisors is an integer number (1144050078).

Almost surely, 2^4575917891 is an apocalyptic number.

4575917891 is a deficient number, since it is larger than the sum of its proper divisors (282421).

4575917891 is a wasteful number, since it uses less digits than its factorization.

4575917891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282420.

The product of its digits is 3175200, while the sum is 56.

The square root of 4575917891 is about 67645.5311975595. The cubic root of 4575917891 is about 1660.1961701442.

The spelling of 4575917891 in words is "four billion, five hundred seventy-five million, nine hundred seventeen thousand, eight hundred ninety-one".