6606967249 has 2 divisors, whose sum is σ = 6606967250. Its totient is φ = 6606967248.

The previous prime is 6606967247. The next prime is 6606967303. The reversal of 6606967249 is 9427696066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6594576849 + 12390400 = 81207^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606967249 - 2¹ = 6606967247 is a prime.

Together with 6606967247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6606967249.

It is not a weakly prime, because it can be changed into another prime (6606967247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303483624 + 3303483625.

It is an arithmetic number, because the mean of its divisors is an integer number (3303483625).

Almost surely, 2^6606967249 is an apocalyptic number.

It is an amenable number.

6606967249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606967249 is an equidigital number, since it uses as much as digits as its factorization.

6606967249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The square root of 6606967249 is about 81283.2531890795. The cubic root of 6606967249 is about 1876.4372741829.

The spelling of 6606967249 in words is "six billion, six hundred six million, nine hundred sixty-seven thousand, two hundred forty-nine".