5281548475813 has 4 divisors (see below), whose sum is σ = 5282648574028. Its totient is φ = 5280448377600.

The previous prime is 5281548475799. The next prime is 5281548475831. The reversal of 5281548475813 is 3185748451825.

5281548475813 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 984853790404 + 4296694685409 = 992398^2 + 2072847^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281548475813 - 2¹⁷ = 5281548344741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281548475883) 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, 550041906 + ... + 550051507.

It is an arithmetic number, because the mean of its divisors is an integer number (1320662143507).

Almost surely, 2^{5281548475813} is an apocalyptic number.

It is an amenable number.

5281548475813 is a deficient number, since it is larger than the sum of its proper divisors (1100098215).

5281548475813 is a wasteful number, since it uses less digits than its factorization.

5281548475813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100098214.

The product of its digits is 43008000, while the sum is 61.

The spelling of 5281548475813 in words is "five trillion, two hundred eighty-one billion, five hundred forty-eight million, four hundred seventy-five thousand, eight hundred thirteen".