4451817198 has 16 divisors (see below), whose sum is σ = 8991790416. Its totient is φ = 1469246400.

The previous prime is 4451817193. The next prime is 4451817239. The reversal of 4451817198 is 8917181544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451817193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672511 + ... + 3673722.

It is an arithmetic number, because the mean of its divisors is an integer number (561986901).

Almost surely, 2^4451817198 is an apocalyptic number.

4451817198 is an abundant number, since it is smaller than the sum of its proper divisors (4539973218).

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

4451817198 is a wasteful number, since it uses less digits than its factorization.

4451817198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346339.

The product of its digits is 322560, while the sum is 48.

The square root of 4451817198 is about 66721.9394052661. The cubic root of 4451817198 is about 1645.0500193276.

It can be divided in two parts, 44518 and 17198, that added together give a palindrome (61716).

The spelling of 4451817198 in words is "four billion, four hundred fifty-one million, eight hundred seventeen thousand, one hundred ninety-eight".