8555995361 has 2 divisors, whose sum is σ = 8555995362. Its totient is φ = 8555995360.

The previous prime is 8555995321. The next prime is 8555995363. The reversal of 8555995361 is 1635995558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6787288225 + 1768707136 = 82385^2 + 42056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8555995361 is a prime.

Together with 8555995363, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8555995297 and 8555995306.

It is not a weakly prime, because it can be changed into another prime (8555995363) 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, 4277997680 + 4277997681.

It is an arithmetic number, because the mean of its divisors is an integer number (4277997681).

Almost surely, 2^8555995361 is an apocalyptic number.

It is an amenable number.

8555995361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555995361 is an equidigital number, since it uses as much as digits as its factorization.

8555995361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290000, while the sum is 56.

The square root of 8555995361 is about 92498.6235627320. The cubic root of 8555995361 is about 2045.2991921213.

The spelling of 8555995361 in words is "eight billion, five hundred fifty-five million, nine hundred ninety-five thousand, three hundred sixty-one".