6635452605 has 8 divisors (see below), whose sum is σ = 10616724192. Its totient is φ = 3538908048.

The previous prime is 6635452573. The next prime is 6635452627. The reversal of 6635452605 is 5062545366.

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

It is not a de Polignac number, because 6635452605 - 2⁵ = 6635452573 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221181739 + ... + 221181768.

It is an arithmetic number, because the mean of its divisors is an integer number (1327090524).

Almost surely, 2^6635452605 is an apocalyptic number.

It is an amenable number.

6635452605 is a deficient number, since it is larger than the sum of its proper divisors (3981271587).

6635452605 is a wasteful number, since it uses less digits than its factorization.

6635452605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442363515.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 6635452605 is about 81458.2875157586. The cubic root of 6635452605 is about 1879.1301057964.

The spelling of 6635452605 in words is "six billion, six hundred thirty-five million, four hundred fifty-two thousand, six hundred five".