5218450873831 has 32 divisors (see below), whose sum is σ = 5938145740800. Its totient is φ = 4546159914240.

The previous prime is 5218450873819. The next prime is 5218450873843. The reversal of 5218450873831 is 1383780548125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5218450873819) and next prime (5218450873843).

It is a cyclic number.

It is not a de Polignac number, because 5218450873831 - 2²⁵ = 5218417319399 is a prime.

It is a super-2 number, since 2×5218450873831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218450873931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436355830 + ... + 436367788.

It is an arithmetic number, because the mean of its divisors is an integer number (185567054400).

Almost surely, 2^{5218450873831} is an apocalyptic number.

5218450873831 is a deficient number, since it is larger than the sum of its proper divisors (719694866969).

5218450873831 is a wasteful number, since it uses less digits than its factorization.

5218450873831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 5218450873831 in words is "five trillion, two hundred eighteen billion, four hundred fifty million, eight hundred seventy-three thousand, eight hundred thirty-one".