8666298369 has 24 divisors (see below), whose sum is σ = 13536357120. Its totient is φ = 5321977728.

The previous prime is 8666298359. The next prime is 8666298383. The reversal of 8666298369 is 9638926668.

8666298369 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8666298369 - 2⁴ = 8666298353 is a prime.

It is a super-2 number, since 2×8666298369² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8666298349) 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, 595389 + ... + 609770.

It is an arithmetic number, because the mean of its divisors is an integer number (564014880).

Almost surely, 2^8666298369 is an apocalyptic number.

It is an amenable number.

8666298369 is a deficient number, since it is larger than the sum of its proper divisors (4870058751).

8666298369 is a wasteful number, since it uses less digits than its factorization.

8666298369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205229 (or 1205226 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The square root of 8666298369 is about 93092.9555283320. The cubic root of 8666298369 is about 2054.0509521879.

The spelling of 8666298369 in words is "eight billion, six hundred sixty-six million, two hundred ninety-eight thousand, three hundred sixty-nine".