4458538891 has 8 divisors (see below), whose sum is σ = 4765862304. Its totient is φ = 4160671680.

The previous prime is 4458538871. The next prime is 4458538897. The reversal of 4458538891 is 1988358544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4458538891 - 2⁹ = 4458538379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4458538897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363076 + ... + 2364961.

It is an arithmetic number, because the mean of its divisors is an integer number (595732788).

Almost surely, 2^4458538891 is an apocalyptic number.

4458538891 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4458538891 is a deficient number, since it is larger than the sum of its proper divisors (307323413).

4458538891 is a wasteful number, since it uses less digits than its factorization.

4458538891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728101.

The product of its digits is 5529600, while the sum is 55.

The square root of 4458538891 is about 66772.2913415438. The cubic root of 4458538891 is about 1645.8775436252.

The spelling of 4458538891 in words is "four billion, four hundred fifty-eight million, five hundred thirty-eight thousand, eight hundred ninety-one".