6648289609 has 8 divisors (see below), whose sum is σ = 7197184512. Its totient is φ = 6104750160.

The previous prime is 6648289597. The next prime is 6648289663. The reversal of 6648289609 is 9069828466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6648289609 - 2¹¹ = 6648287561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6648286609) 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, 1336279 + ... + 1341244.

It is an arithmetic number, because the mean of its divisors is an integer number (899648064).

Almost surely, 2^6648289609 is an apocalyptic number.

It is an amenable number.

6648289609 is a deficient number, since it is larger than the sum of its proper divisors (548894903).

6648289609 is a wasteful number, since it uses less digits than its factorization.

6648289609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677727.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The square root of 6648289609 is about 81537.0443970101. The cubic root of 6648289609 is about 1880.3411189714.

The spelling of 6648289609 in words is "six billion, six hundred forty-eight million, two hundred eighty-nine thousand, six hundred nine".