8644948612 has 6 divisors (see below), whose sum is σ = 15128660078. Its totient is φ = 4322474304.

The previous prime is 8644948597. The next prime is 8644948639. The reversal of 8644948612 is 2168494468.

It can be written as a sum of positive squares in only one way, i.e., 4913449216 + 3731499396 = 70096^2 + 61086^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8644948612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080618573 + ... + 1080618580.

Almost surely, 2^8644948612 is an apocalyptic number.

It is an amenable number.

8644948612 is a deficient number, since it is larger than the sum of its proper divisors (6483711466).

8644948612 is a wasteful number, since it uses less digits than its factorization.

8644948612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161237157 (or 2161237155 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The square root of 8644948612 is about 92978.2157927329. The cubic root of 8644948612 is about 2052.3628208476.

The spelling of 8644948612 in words is "eight billion, six hundred forty-four million, nine hundred forty-eight thousand, six hundred twelve".