6544874928 has 40 divisors (see below), whose sum is σ = 16971913728. Its totient is φ = 2173325632.

The previous prime is 6544874923. The next prime is 6544874929. The reversal of 6544874928 is 8294784456.

It is not an unprimeable number, because it can be changed into a prime (6544874923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246600 + ... + 271847.

Almost surely, 2^6544874928 is an apocalyptic number.

It is an amenable number.

6544874928 is an abundant number, since it is smaller than the sum of its proper divisors (10427038800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6544874928 is a wasteful number, since it uses less digits than its factorization.

6544874928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518721 (or 518715 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The square root of 6544874928 is about 80900.4012845425. The cubic root of 6544874928 is about 1870.5405062481.

The spelling of 6544874928 in words is "six billion, five hundred forty-four million, eight hundred seventy-four thousand, nine hundred twenty-eight".