6605133653 has 2 divisors, whose sum is σ = 6605133654. Its totient is φ = 6605133652.

The previous prime is 6605133649. The next prime is 6605133679. The reversal of 6605133653 is 3563315066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6547722724 + 57410929 = 80918^2 + 7577^2 .

It is a cyclic number.

It is not a de Polignac number, because 6605133653 - 2² = 6605133649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6605133643) 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, 3302566826 + 3302566827.

It is an arithmetic number, because the mean of its divisors is an integer number (3302566827).

Almost surely, 2^6605133653 is an apocalyptic number.

It is an amenable number.

6605133653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605133653 is an equidigital number, since it uses as much as digits as its factorization.

6605133653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 38.

The square root of 6605133653 is about 81271.9733549026. The cubic root of 6605133653 is about 1876.2636722822.

The spelling of 6605133653 in words is "six billion, six hundred five million, one hundred thirty-three thousand, six hundred fifty-three".