6624105009 has 4 divisors (see below), whose sum is σ = 8832140016. Its totient is φ = 4416070004.

The previous prime is 6624104953. The next prime is 6624105011. The reversal of 6624105009 is 9005014266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6624105009 - 2¹⁹ = 6623580721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6624100009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104017499 + ... + 1104017504.

It is an arithmetic number, because the mean of its divisors is an integer number (2208035004).

Almost surely, 2^6624105009 is an apocalyptic number.

It is an amenable number.

6624105009 is a deficient number, since it is larger than the sum of its proper divisors (2208035007).

6624105009 is a wasteful number, since it uses less digits than its factorization.

6624105009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208035006.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6624105009 is about 81388.6049087954. The cubic root of 6624105009 is about 1878.0582986617.

The spelling of 6624105009 in words is "six billion, six hundred twenty-four million, one hundred five thousand, nine".