6604243505 has 8 divisors (see below), whose sum is σ = 7926359424. Its totient is φ = 5282550000.

The previous prime is 6604243463. The next prime is 6604243519. The reversal of 6604243505 is 5053424066.

It is a happy number.

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

It is not a de Polignac number, because 6604243505 - 2¹⁰ = 6604242481 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 70121 + ... + 134630.

It is an arithmetic number, because the mean of its divisors is an integer number (990794928).

Almost surely, 2^6604243505 is an apocalyptic number.

It is an amenable number.

6604243505 is a deficient number, since it is larger than the sum of its proper divisors (1322115919).

6604243505 is a wasteful number, since it uses less digits than its factorization.

6604243505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211207.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 6604243505 is about 81266.4968175693. The cubic root of 6604243505 is about 1876.1793829261.

The spelling of 6604243505 in words is "six billion, six hundred four million, two hundred forty-three thousand, five hundred five".