6606253015009 has 2 divisors, whose sum is σ = 6606253015010. Its totient is φ = 6606253015008.

The previous prime is 6606253015007. The next prime is 6606253015013. The reversal of 6606253015009 is 9005103526066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6598194003025 + 8059011984 = 2568695^2 + 89772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606253015009 - 2¹ = 6606253015007 is a prime.

Together with 6606253015007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6606253015003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303126507504 + 3303126507505.

It is an arithmetic number, because the mean of its divisors is an integer number (3303126507505).

Almost surely, 2^{6606253015009} is an apocalyptic number.

It is an amenable number.

6606253015009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606253015009 is an equidigital number, since it uses as much as digits as its factorization.

6606253015009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 6606253015009 in words is "six trillion, six hundred six billion, two hundred fifty-three million, fifteen thousand, nine".