8555650513 has 2 divisors, whose sum is σ = 8555650514. Its totient is φ = 8555650512.

The previous prime is 8555650459. The next prime is 8555650517. The reversal of 8555650513 is 3150565558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6217637904 + 2338012609 = 78852^2 + 48353^2 .

It is a cyclic number.

It is not a de Polignac number, because 8555650513 - 2⁹ = 8555650001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8555650513.

It is not a weakly prime, because it can be changed into another prime (8555650517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277825256 + 4277825257.

It is an arithmetic number, because the mean of its divisors is an integer number (4277825257).

Almost surely, 2^8555650513 is an apocalyptic number.

It is an amenable number.

8555650513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555650513 is an equidigital number, since it uses as much as digits as its factorization.

8555650513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450000, while the sum is 43.

The square root of 8555650513 is about 92496.7594729675. The cubic root of 8555650513 is about 2045.2717132685.

The spelling of 8555650513 in words is "eight billion, five hundred fifty-five million, six hundred fifty thousand, five hundred thirteen".