8953209489 has 24 divisors (see below), whose sum is σ = 13898172288. Its totient is φ = 5111860320.

The previous prime is 8953209457. The next prime is 8953209491. The reversal of 8953209489 is 9849023598.

It is not a de Polignac number, because 8953209489 - 2⁵ = 8953209457 is a prime.

It is a super-2 number, since 2×8953209489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8953209449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156219 + ... + 205695.

It is an arithmetic number, because the mean of its divisors is an integer number (579090512).

Almost surely, 2^8953209489 is an apocalyptic number.

It is an amenable number.

8953209489 is a deficient number, since it is larger than the sum of its proper divisors (4944962799).

8953209489 is a wasteful number, since it uses less digits than its factorization.

8953209489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50725 (or 50718 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The square root of 8953209489 is about 94621.4007981281. The cubic root of 8953209489 is about 2076.4728103910.

The spelling of 8953209489 in words is "eight billion, nine hundred fifty-three million, two hundred nine thousand, four hundred eighty-nine".