6544875441 has 16 divisors (see below), whose sum is σ = 9950580864. Its totient is φ = 3790696704.

The previous prime is 6544875433. The next prime is 6544875479. The reversal of 6544875441 is 1445784456.

It is not a de Polignac number, because 6544875441 - 2³ = 6544875433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6544875041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935141 + ... + 4936466.

It is an arithmetic number, because the mean of its divisors is an integer number (621911304).

Almost surely, 2^6544875441 is an apocalyptic number.

It is an amenable number.

6544875441 is a deficient number, since it is larger than the sum of its proper divisors (3405705423).

6544875441 is a wasteful number, since it uses less digits than its factorization.

6544875441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871640.

The product of its digits is 2150400, while the sum is 48.

The square root of 6544875441 is about 80900.4044551076. The cubic root of 6544875441 is about 1870.5405551203.

The spelling of 6544875441 in words is "six billion, five hundred forty-four million, eight hundred seventy-five thousand, four hundred forty-one".