6652899709 has 2 divisors, whose sum is σ = 6652899710. Its totient is φ = 6652899708.

The previous prime is 6652899667. The next prime is 6652899733. The reversal of 6652899709 is 9079982566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6395200900 + 257698809 = 79970^2 + 16053^2 .

It is a cyclic number.

It is not a de Polignac number, because 6652899709 - 2¹¹ = 6652897661 is a prime.

It is a super-2 number, since 2×6652899709² = 88522149076024569362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6652899779) 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, 3326449854 + 3326449855.

It is an arithmetic number, because the mean of its divisors is an integer number (3326449855).

Almost surely, 2^6652899709 is an apocalyptic number.

It is an amenable number.

6652899709 is a deficient number, since it is larger than the sum of its proper divisors (1).

6652899709 is an equidigital number, since it uses as much as digits as its factorization.

6652899709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The square root of 6652899709 is about 81565.3094703870. The cubic root of 6652899709 is about 1880.7756446517.

The spelling of 6652899709 in words is "six billion, six hundred fifty-two million, eight hundred ninety-nine thousand, seven hundred nine".