6647454275 has 48 divisors (see below), whose sum is σ = 10295531520. Its totient is φ = 4136313600.

The previous prime is 6647454251. The next prime is 6647454311. The reversal of 6647454275 is 5724547466.

It is not a de Polignac number, because 6647454275 - 2¹⁰ = 6647453251 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1165631 + ... + 1171319.

It is an arithmetic number, because the mean of its divisors is an integer number (214490240).

Almost surely, 2^6647454275 is an apocalyptic number.

6647454275 is a deficient number, since it is larger than the sum of its proper divisors (3648077245).

6647454275 is a wasteful number, since it uses less digits than its factorization.

6647454275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324 (or 6319 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 50.

The square root of 6647454275 is about 81531.9218159366. The cubic root of 6647454275 is about 1880.2623629429.

The spelling of 6647454275 in words is "six billion, six hundred forty-seven million, four hundred fifty-four thousand, two hundred seventy-five".