5219458218 has 96 divisors (see below), whose sum is σ = 13456025856. Its totient is φ = 1445773824.

The previous prime is 5219458217. The next prime is 5219458253. The reversal of 5219458218 is 8128549125.

5219458218 is a `hidden beast` number, since 52 + 1 + 9 + 4 + 582 + 18 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5219458217) 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 47 ways as a sum of consecutive naturals, for example, 62971 + ... + 120017.

It is an arithmetic number, because the mean of its divisors is an integer number (140166936).

Almost surely, 2^5219458218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5219458218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6728012928).

5219458218 is an abundant number, since it is smaller than the sum of its proper divisors (8236567638).

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

5219458218 is a wasteful number, since it uses less digits than its factorization.

5219458218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57108 (or 57105 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 5219458218 is about 72245.8179966149. The cubic root of 5219458218 is about 1734.6364784712.

The spelling of 5219458218 in words is "five billion, two hundred nineteen million, four hundred fifty-eight thousand, two hundred eighteen".