5218481383 has 4 divisors (see below), whose sum is σ = 5306930280. Its totient is φ = 5130032488.

The previous prime is 5218481273. The next prime is 5218481399. The reversal of 5218481383 is 3831848125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5218481383 - 2²¹ = 5216384231 is a prime.

It is a super-3 number, since 3×5218481383³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218481783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44224360 + ... + 44224477.

It is an arithmetic number, because the mean of its divisors is an integer number (1326732570).

Almost surely, 2^5218481383 is an apocalyptic number.

5218481383 is a deficient number, since it is larger than the sum of its proper divisors (88448897).

5218481383 is an equidigital number, since it uses as much as digits as its factorization.

5218481383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88448896.

The product of its digits is 184320, while the sum is 43.

The square root of 5218481383 is about 72239.0571851543. The cubic root of 5218481383 is about 1734.5282578302.

The spelling of 5218481383 in words is "five billion, two hundred eighteen million, four hundred eighty-one thousand, three hundred eighty-three".