5218714081 has 24 divisors (see below), whose sum is σ = 6145723584. Its totient is φ = 4418174880.

The previous prime is 5218714063. The next prime is 5218714091. The reversal of 5218714081 is 1804178125.

It is not a de Polignac number, because 5218714081 - 2¹¹ = 5218712033 is a prime.

It is a super-2 number, since 2×5218714081² = 54469953318455349122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5218714081.

It is not an unprimeable number, because it can be changed into a prime (5218714051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2325546 + ... + 2327788.

It is an arithmetic number, because the mean of its divisors is an integer number (256071816).

Almost surely, 2^5218714081 is an apocalyptic number.

It is an amenable number.

5218714081 is a deficient number, since it is larger than the sum of its proper divisors (927009503).

5218714081 is a wasteful number, since it uses less digits than its factorization.

5218714081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 5218714081 is about 72240.6677779213. The cubic root of 5218714081 is about 1734.5540389740.

The spelling of 5218714081 in words is "five billion, two hundred eighteen million, seven hundred fourteen thousand, eighty-one".