8554957009 has 4 divisors (see below), whose sum is σ = 8555700580. Its totient is φ = 8554213440.

The previous prime is 8554957007. The next prime is 8554957069. The reversal of 8554957009 is 9007594558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7103118400 + 1451838609 = 84280^2 + 38103^2 .

It is a cyclic number.

It is not a de Polignac number, because 8554957009 - 2¹ = 8554957007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8554957007) 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 in 3 ways as a sum of consecutive naturals, for example, 354252 + ... + 377629.

It is an arithmetic number, because the mean of its divisors is an integer number (2138925145).

Almost surely, 2^8554957009 is an apocalyptic number.

It is an amenable number.

8554957009 is a deficient number, since it is larger than the sum of its proper divisors (743571).

8554957009 is a wasteful number, since it uses less digits than its factorization.

8554957009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743570.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The square root of 8554957009 is about 92493.0105953958. The cubic root of 8554957009 is about 2045.2164498906.

The spelling of 8554957009 in words is "eight billion, five hundred fifty-four million, nine hundred fifty-seven thousand, nine".