6539562248 has 12 divisors (see below), whose sum is σ = 12262108095. Its totient is φ = 3269666760.

The previous prime is 6539562229. The next prime is 6539562257. The reversal of 6539562248 is 8422659356.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3269781124 + 3269781124 = 57182^2 + 57182^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57182.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6539562196 and 6539562205.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 214433 + ... + 243023.

Almost surely, 2^6539562248 is an apocalyptic number.

It is an amenable number.

6539562248 is a deficient number, since it is larger than the sum of its proper divisors (5722545847).

6539562248 is an frugal number, since it uses more digits than its factorization.

6539562248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57188 (or 28593 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The square root of 6539562248 is about 80867.5599236183. The cubic root of 6539562248 is about 1870.0342437989.

Multiplying 6539562248 by its sum of digits (50), we get a square (326978112400 = 571820²).

The spelling of 6539562248 in words is "six billion, five hundred thirty-nine million, five hundred sixty-two thousand, two hundred forty-eight".