5918486281 has 4 divisors (see below), whose sum is σ = 5918968132. Its totient is φ = 5918004432.

The previous prime is 5918486279. The next prime is 5918486291. The reversal of 5918486281 is 1826848195.

It is a happy number.

5918486281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4353888256 + 1564598025 = 65984^2 + 39555^2 .

It is a cyclic number.

It is not a de Polignac number, because 5918486281 - 2¹ = 5918486279 is a prime.

It is a super-2 number, since 2×5918486281² = 70056959716770421922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5918486291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222006 + ... + 247231.

It is an arithmetic number, because the mean of its divisors is an integer number (1479742033).

Almost surely, 2^5918486281 is an apocalyptic number.

It is an amenable number.

5918486281 is a deficient number, since it is larger than the sum of its proper divisors (481851).

5918486281 is a wasteful number, since it uses less digits than its factorization.

5918486281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481850.

The product of its digits is 1105920, while the sum is 52.

The square root of 5918486281 is about 76931.6988048490. The cubic root of 5918486281 is about 1808.8541408944.

The spelling of 5918486281 in words is "five billion, nine hundred eighteen million, four hundred eighty-six thousand, two hundred eighty-one".