8999814281 has 2 divisors, whose sum is σ = 8999814282. Its totient is φ = 8999814280.

The previous prime is 8999814217. The next prime is 8999814287. The reversal of 8999814281 is 1824189998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5268437056 + 3731377225 = 72584^2 + 61085^2 .

It is a cyclic number.

It is not a de Polignac number, because 8999814281 - 2⁶ = 8999814217 is a prime.

It is a super-2 number, since 2×8999814281² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8999814281.

It is not a weakly prime, because it can be changed into another prime (8999814287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499907140 + 4499907141.

It is an arithmetic number, because the mean of its divisors is an integer number (4499907141).

Almost surely, 2^8999814281 is an apocalyptic number.

It is an amenable number.

8999814281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999814281 is an equidigital number, since it uses as much as digits as its factorization.

8999814281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 59.

The square root of 8999814281 is about 94867.3509749271. The cubic root of 8999814281 is about 2080.0695151354.

The spelling of 8999814281 in words is "eight billion, nine hundred ninety-nine million, eight hundred fourteen thousand, two hundred eighty-one".