8554936321 has 2 divisors, whose sum is σ = 8554936322. Its totient is φ = 8554936320.

The previous prime is 8554936259. The next prime is 8554936337. The reversal of 8554936321 is 1236394558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7914593296 + 640343025 = 88964^2 + 25305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8554936321 is a prime.

It is a super-3 number, since 3×8554936321³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (8554936361) 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, 4277468160 + 4277468161.

It is an arithmetic number, because the mean of its divisors is an integer number (4277468161).

Almost surely, 2^8554936321 is an apocalyptic number.

It is an amenable number.

8554936321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8554936321 is an equidigital number, since it uses as much as digits as its factorization.

8554936321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 8554936321 is about 92492.8987598507. The cubic root of 8554936321 is about 2045.2148012764.

The spelling of 8554936321 in words is "eight billion, five hundred fifty-four million, nine hundred thirty-six thousand, three hundred twenty-one".