4551133818 has 96 divisors (see below), whose sum is σ = 12230543808. Its totient is φ = 1112563200.

The previous prime is 4551133817. The next prime is 4551133823. The reversal of 4551133818 is 8183311554.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4551133817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13588 + ... + 96368.

It is an arithmetic number, because the mean of its divisors is an integer number (127401498).

Almost surely, 2^4551133818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551133818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115271904).

4551133818 is an abundant number, since it is smaller than the sum of its proper divisors (7679409990).

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

4551133818 is a wasteful number, since it uses less digits than its factorization.

4551133818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82828 (or 82821 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 4551133818 is about 67462.0917108268. The cubic root of 4551133818 is about 1657.1934259149.

The spelling of 4551133818 in words is "four billion, five hundred fifty-one million, one hundred thirty-three thousand, eight hundred eighteen".