6609646093 has 2 divisors, whose sum is σ = 6609646094. Its totient is φ = 6609646092.

The previous prime is 6609646037. The next prime is 6609646111. The reversal of 6609646093 is 3906469066.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5907767044 + 701879049 = 76862^2 + 26493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6609646093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6609646993) 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 as a sum of consecutive naturals, namely, 3304823046 + 3304823047.

It is an arithmetic number, because the mean of its divisors is an integer number (3304823047).

Almost surely, 2^6609646093 is an apocalyptic number.

It is an amenable number.

6609646093 is a deficient number, since it is larger than the sum of its proper divisors (1).

6609646093 is an equidigital number, since it uses as much as digits as its factorization.

6609646093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 6609646093 is about 81299.7299688012. The cubic root of 6609646093 is about 1876.6908450638.

The spelling of 6609646093 in words is "six billion, six hundred nine million, six hundred forty-six thousand, ninety-three".