8446895989 has 4 divisors (see below), whose sum is σ = 9653595424. Its totient is φ = 7240196556.

The previous prime is 8446895983. The next prime is 8446896037. The reversal of 8446895989 is 9895986448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8446895989 - 2⁵ = 8446895957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446895983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603349707 + ... + 603349720.

It is an arithmetic number, because the mean of its divisors is an integer number (2413398856).

Almost surely, 2^8446895989 is an apocalyptic number.

It is an amenable number.

8446895989 is a deficient number, since it is larger than the sum of its proper divisors (1206699435).

8446895989 is a wasteful number, since it uses less digits than its factorization.

8446895989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206699434.

The product of its digits is 179159040, while the sum is 70.

The square root of 8446895989 is about 91906.9964094138. The cubic root of 8446895989 is about 2036.5686250865.

The spelling of 8446895989 in words is "eight billion, four hundred forty-six million, eight hundred ninety-five thousand, nine hundred eighty-nine".