8683508644 has 6 divisors (see below), whose sum is σ = 15196140134. Its totient is φ = 4341754320.

The previous prime is 8683508621. The next prime is 8683508677. The reversal of 8683508644 is 4468053868.

It can be written as a sum of positive squares in only one way, i.e., 8530739044 + 152769600 = 92362^2 + 12360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8683508591 and 8683508600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085438577 + ... + 1085438584.

Almost surely, 2^8683508644 is an apocalyptic number.

It is an amenable number.

8683508644 is a deficient number, since it is larger than the sum of its proper divisors (6512631490).

8683508644 is a wasteful number, since it uses less digits than its factorization.

8683508644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170877165 (or 2170877163 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The square root of 8683508644 is about 93185.3456504830. The cubic root of 8683508644 is about 2055.4097563418.

The spelling of 8683508644 in words is "eight billion, six hundred eighty-three million, five hundred eight thousand, six hundred forty-four".