6650328109 has 4 divisors (see below), whose sum is σ = 6687480960. Its totient is φ = 6613175260.

The previous prime is 6650328079. The next prime is 6650328131. The reversal of 6650328109 is 9018230566.

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 6650328109 - 2¹⁹ = 6649803821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650128109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18576157 + ... + 18576514.

It is an arithmetic number, because the mean of its divisors is an integer number (1671870240).

Almost surely, 2^6650328109 is an apocalyptic number.

It is an amenable number.

6650328109 is a deficient number, since it is larger than the sum of its proper divisors (37152851).

6650328109 is a wasteful number, since it uses less digits than its factorization.

6650328109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37152850.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6650328109 is about 81549.5438920415. The cubic root of 6650328109 is about 1880.5332828660.

The spelling of 6650328109 in words is "six billion, six hundred fifty million, three hundred twenty-eight thousand, one hundred nine".