4494981858 has 16 divisors (see below), whose sum is σ = 8992031616. Its totient is φ = 1497982640.

The previous prime is 4494981851. The next prime is 4494981901. The reversal of 4494981858 is 8581894944.

It is not an unprimeable number, because it can be changed into a prime (4494981851) 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, 57153 + ... + 110708.

It is an arithmetic number, because the mean of its divisors is an integer number (562001976).

Almost surely, 2^4494981858 is an apocalyptic number.

4494981858 is an abundant number, since it is smaller than the sum of its proper divisors (4497049758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4494981858 is a wasteful number, since it uses less digits than its factorization.

4494981858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172329.

The product of its digits is 13271040, while the sum is 60.

The square root of 4494981858 is about 67044.6258696400. The cubic root of 4494981858 is about 1650.3497095302.

The spelling of 4494981858 in words is "four billion, four hundred ninety-four million, nine hundred eighty-one thousand, eight hundred fifty-eight".