8669394449 has 8 divisors (see below), whose sum is σ = 8801529408. Its totient is φ = 8537340240.

The previous prime is 8669394427. The next prime is 8669394479. The reversal of 8669394449 is 9444939668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8669394449 - 2³² = 4374427153 is a prime.

It is a super-2 number, since 2×8669394449² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8669394391 and 8669394400.

It is not an unprimeable number, because it can be changed into a prime (8669394479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217244 + ... + 254034.

It is an arithmetic number, because the mean of its divisors is an integer number (1100191176).

Almost surely, 2^8669394449 is an apocalyptic number.

It is an amenable number.

8669394449 is a deficient number, since it is larger than the sum of its proper divisors (132134959).

8669394449 is a wasteful number, since it uses less digits than its factorization.

8669394449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40375.

The product of its digits is 40310784, while the sum is 62.

The square root of 8669394449 is about 93109.5830137801. The cubic root of 8669394449 is about 2054.2955298469.

The spelling of 8669394449 in words is "eight billion, six hundred sixty-nine million, three hundred ninety-four thousand, four hundred forty-nine".