6605824013 has 2 divisors, whose sum is σ = 6605824014. Its totient is φ = 6605824012.

The previous prime is 6605823989. The next prime is 6605824061. The reversal of 6605824013 is 3104285066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6578345449 + 27478564 = 81107^2 + 5242^2 .

It is a cyclic number.

It is not a de Polignac number, because 6605824013 - 2¹⁰ = 6605822989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6605824613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302912006 + 3302912007.

It is an arithmetic number, because the mean of its divisors is an integer number (3302912007).

Almost surely, 2^6605824013 is an apocalyptic number.

It is an amenable number.

6605824013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605824013 is an equidigital number, since it uses as much as digits as its factorization.

6605824013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6605824013 is about 81276.2204645369. The cubic root of 6605824013 is about 1876.3290382199.

The spelling of 6605824013 in words is "six billion, six hundred five million, eight hundred twenty-four thousand, thirteen".