4551845898 has 8 divisors (see below), whose sum is σ = 9103691808. Its totient is φ = 1517281964.

The previous prime is 4551845891. The next prime is 4551845899. The reversal of 4551845898 is 8985481554.

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

4551845898 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4551845891) 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, 379320486 + ... + 379320497.

It is an arithmetic number, because the mean of its divisors is an integer number (1137961476).

Almost surely, 2^4551845898 is an apocalyptic number.

4551845898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4551845898 is a wasteful number, since it uses less digits than its factorization.

4551845898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758640988.

The product of its digits is 9216000, while the sum is 57.

The square root of 4551845898 is about 67467.3691350122. The cubic root of 4551845898 is about 1657.2798507344.

The spelling of 4551845898 in words is "four billion, five hundred fifty-one million, eight hundred forty-five thousand, eight hundred ninety-eight".