8646489452 has 24 divisors (see below), whose sum is σ = 15793456896. Its totient is φ = 4134173648.

The previous prime is 8646489443. The next prime is 8646489497. The reversal of 8646489452 is 2549846468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411383 + ... + 431889.

It is an arithmetic number, because the mean of its divisors is an integer number (658060704).

Almost surely, 2^8646489452 is an apocalyptic number.

It is an amenable number.

8646489452 is a deficient number, since it is larger than the sum of its proper divisors (7146967444).

8646489452 is a wasteful number, since it uses less digits than its factorization.

8646489452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25117 (or 25115 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The square root of 8646489452 is about 92986.5014504794. The cubic root of 8646489452 is about 2052.4847484999.

The spelling of 8646489452 in words is "eight billion, six hundred forty-six million, four hundred eighty-nine thousand, four hundred fifty-two".