8945589018 has 64 divisors (see below), whose sum is σ = 18724987008. Its totient is φ = 2846638080.

The previous prime is 8945589013. The next prime is 8945589041. The reversal of 8945589018 is 8109855498.

It is not an unprimeable number, because it can be changed into a prime (8945589013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2585946 + ... + 2589402.

It is an arithmetic number, because the mean of its divisors is an integer number (292577922).

Almost surely, 2^8945589018 is an apocalyptic number.

8945589018 is an abundant number, since it is smaller than the sum of its proper divisors (9779397990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8945589018 is a wasteful number, since it uses less digits than its factorization.

8945589018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The square root of 8945589018 is about 94581.1240047400. The cubic root of 8945589018 is about 2075.8835173413.

The spelling of 8945589018 in words is "eight billion, nine hundred forty-five million, five hundred eighty-nine thousand, eighteen".