8551130689 has 2 divisors, whose sum is σ = 8551130690. Its totient is φ = 8551130688.

The previous prime is 8551130681. The next prime is 8551130723. The reversal of 8551130689 is 9860311558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6563754289 + 1987376400 = 81017^2 + 44580^2 .

It is a cyclic number.

It is not a de Polignac number, because 8551130689 - 2³ = 8551130681 is a prime.

It is a super-2 number, since 2×8551130689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8551130681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275565344 + 4275565345.

It is an arithmetic number, because the mean of its divisors is an integer number (4275565345).

Almost surely, 2^8551130689 is an apocalyptic number.

It is an amenable number.

8551130689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8551130689 is an equidigital number, since it uses as much as digits as its factorization.

8551130689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 8551130689 is about 92472.3239082916. The cubic root of 8551130689 is about 2044.9114875319.

The spelling of 8551130689 in words is "eight billion, five hundred fifty-one million, one hundred thirty thousand, six hundred eighty-nine".