5218337855439 has 12 divisors (see below), whose sum is σ = 7538745264336. Its totient is φ = 3478362916032.

The previous prime is 5218337855413. The next prime is 5218337855473. The reversal of 5218337855439 is 9345587338125.

5218337855439 is a `hidden beast` number, since 5 + 2 + 1 + 8 + 3 + 3 + 7 + 85 + 543 + 9 = 666.

5218337855439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5218337855439 - 2¹⁷ = 5218337724367 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218337853439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44019819 + ... + 44138204.

It is an arithmetic number, because the mean of its divisors is an integer number (628228772028).

Almost surely, 2^{5218337855439} is an apocalyptic number.

5218337855439 is a deficient number, since it is larger than the sum of its proper divisors (2320407408897).

5218337855439 is a wasteful number, since it uses less digits than its factorization.

5218337855439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88164606 (or 88164603 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 5218337855439 in words is "five trillion, two hundred eighteen billion, three hundred thirty-seven million, eight hundred fifty-five thousand, four hundred thirty-nine".