4918622189 has 8 divisors (see below), whose sum is σ = 5608564920. Its totient is φ = 4273191936.

The previous prime is 4918622183. The next prime is 4918622213. The reversal of 4918622189 is 9812268194.

It can be written as a sum of positive squares in 4 ways, for example, as 1189077289 + 3729544900 = 34483^2 + 61070^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-4918622189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918622183) 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, 11127884 + ... + 11128325.

It is an arithmetic number, because the mean of its divisors is an integer number (701070615).

Almost surely, 2^4918622189 is an apocalyptic number.

It is an amenable number.

4918622189 is a deficient number, since it is larger than the sum of its proper divisors (689942731).

4918622189 is a wasteful number, since it uses less digits than its factorization.

4918622189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22256239.

The product of its digits is 497664, while the sum is 50.

The square root of 4918622189 is about 70132.8894955855. The cubic root of 4918622189 is about 1700.6482175063.

The spelling of 4918622189 in words is "four billion, nine hundred eighteen million, six hundred twenty-two thousand, one hundred eighty-nine".