6506655263 has 2 divisors, whose sum is σ = 6506655264. Its totient is φ = 6506655262.

The previous prime is 6506655251. The next prime is 6506655307. The reversal of 6506655263 is 3625566056.

It is an a-pointer prime, because the next prime (6506655307) can be obtained adding 6506655263 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6506655263 - 2²⁰ = 6505606687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6506655563) 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, 3253327631 + 3253327632.

It is an arithmetic number, because the mean of its divisors is an integer number (3253327632).

Almost surely, 2^6506655263 is an apocalyptic number.

6506655263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506655263 is an equidigital number, since it uses as much as digits as its factorization.

6506655263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 44.

The square root of 6506655263 is about 80663.8411123596. The cubic root of 6506655263 is about 1866.8923058483.

The spelling of 6506655263 in words is "six billion, five hundred six million, six hundred fifty-five thousand, two hundred sixty-three".