8995444209 has 12 divisors (see below), whose sum is σ = 13757738436. Its totient is φ = 5644200192.

The previous prime is 8995444201. The next prime is 8995444267. The reversal of 8995444209 is 9024445998.

8995444209 is a `hidden beast` number, since 8 + 99 + 544 + 4 + 2 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4678560000 + 4316884209 = 68400^2 + 65703^2 .

It is not a de Polignac number, because 8995444209 - 2³ = 8995444201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8995444201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29396724 + ... + 29397029.

It is an arithmetic number, because the mean of its divisors is an integer number (1146478203).

Almost surely, 2^8995444209 is an apocalyptic number.

It is an amenable number.

8995444209 is a deficient number, since it is larger than the sum of its proper divisors (4762294227).

8995444209 is a wasteful number, since it uses less digits than its factorization.

8995444209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793776 (or 58793773 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 8995444209 is about 94844.3156388405. The cubic root of 8995444209 is about 2079.7327850298.

The spelling of 8995444209 in words is "eight billion, nine hundred ninety-five million, four hundred forty-four thousand, two hundred nine".