6609028949 has 2 divisors, whose sum is σ = 6609028950. Its totient is φ = 6609028948.

The previous prime is 6609028931. The next prime is 6609028961. The reversal of 6609028949 is 9498209066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5389762225 + 1219266724 = 73415^2 + 34918^2 .

It is a cyclic number.

It is not a de Polignac number, because 6609028949 - 2¹² = 6609024853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6609028949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6609028549) 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, 3304514474 + 3304514475.

It is an arithmetic number, because the mean of its divisors is an integer number (3304514475).

Almost surely, 2^6609028949 is an apocalyptic number.

It is an amenable number.

6609028949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6609028949 is an equidigital number, since it uses as much as digits as its factorization.

6609028949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 6609028949 is about 81295.9343940397. The cubic root of 6609028949 is about 1876.6324342439.

The spelling of 6609028949 in words is "six billion, six hundred nine million, twenty-eight thousand, nine hundred forty-nine".