6632816189 has 2 divisors, whose sum is σ = 6632816190. Its totient is φ = 6632816188.

The previous prime is 6632816159. The next prime is 6632816207. The reversal of 6632816189 is 9816182366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6543192100 + 89624089 = 80890^2 + 9467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6632816189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6632816129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3316408094 + 3316408095.

It is an arithmetic number, because the mean of its divisors is an integer number (3316408095).

Almost surely, 2^6632816189 is an apocalyptic number.

It is an amenable number.

6632816189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6632816189 is an equidigital number, since it uses as much as digits as its factorization.

6632816189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 6632816189 is about 81442.1032943035. The cubic root of 6632816189 is about 1878.8811991404.

The spelling of 6632816189 in words is "six billion, six hundred thirty-two million, eight hundred sixteen thousand, one hundred eighty-nine".