8964745569 has 12 divisors (see below), whose sum is σ = 13945159956. Its totient is φ = 5516766432.

The previous prime is 8964745567. The next prime is 8964745637. The reversal of 8964745569 is 9655474698.

8964745569 is a `hidden beast` number, since 8 + 9 + 6 + 4 + 74 + 556 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1206659169 + 7758086400 = 34737^2 + 88080^2 .

It is not a de Polignac number, because 8964745569 - 2¹ = 8964745567 is a prime.

It is a super-2 number, since 2×8964745569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8964745567) 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, 38310762 + ... + 38310995.

It is an arithmetic number, because the mean of its divisors is an integer number (1162096663).

Almost surely, 2^8964745569 is an apocalyptic number.

It is an amenable number.

8964745569 is a deficient number, since it is larger than the sum of its proper divisors (4980414387).

8964745569 is a wasteful number, since it uses less digits than its factorization.

8964745569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76621776 (or 76621773 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 8964745569 is about 94682.3403227867. The cubic root of 8964745569 is about 2077.3642626152.

The spelling of 8964745569 in words is "eight billion, nine hundred sixty-four million, seven hundred forty-five thousand, five hundred sixty-nine".