8864165489 has 2 divisors, whose sum is σ = 8864165490. Its totient is φ = 8864165488.

The previous prime is 8864165473. The next prime is 8864165501. The reversal of 8864165489 is 9845614688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7867690000 + 996475489 = 88700^2 + 31567^2 .

It is a cyclic number.

It is not a de Polignac number, because 8864165489 - 2⁴ = 8864165473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8864185489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4432082744 + 4432082745.

It is an arithmetic number, because the mean of its divisors is an integer number (4432082745).

Almost surely, 2^8864165489 is an apocalyptic number.

It is an amenable number.

8864165489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8864165489 is an equidigital number, since it uses as much as digits as its factorization.

8864165489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13271040, while the sum is 59.

The square root of 8864165489 is about 94149.6972326518. The cubic root of 8864165489 is about 2069.5660201716.

The spelling of 8864165489 in words is "eight billion, eight hundred sixty-four million, one hundred sixty-five thousand, four hundred eighty-nine".