8683638466 has 8 divisors (see below), whose sum is σ = 13100749884. Its totient is φ = 4316721840.

The previous prime is 8683638463. The next prime is 8683638473. The reversal of 8683638466 is 6648363868.

It can be written as a sum of positive squares in 2 ways, for example, as 8049857841 + 633780625 = 89721^2 + 25175^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8683638466.

It is not an unprimeable number, because it can be changed into a prime (8683638463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12548265 + ... + 12548956.

Almost surely, 2^8683638466 is an apocalyptic number.

8683638466 is a deficient number, since it is larger than the sum of its proper divisors (4417111418).

8683638466 is a wasteful number, since it uses less digits than its factorization.

8683638466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25097396.

The product of its digits is 23887872, while the sum is 58.

The square root of 8683638466 is about 93186.0422273636. The cubic root of 8683638466 is about 2055.4199993625.

The spelling of 8683638466 in words is "eight billion, six hundred eighty-three million, six hundred thirty-eight thousand, four hundred sixty-six".