8646489453 has 32 divisors (see below), whose sum is σ = 13419891712. Its totient is φ = 4849891200.

The previous prime is 8646489443. The next prime is 8646489497. The reversal of 8646489453 is 3549846468.

8646489453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8646489453 - 2⁴ = 8646489437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8646489393 and 8646489402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8646489433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310098 + ... + 336828.

It is an arithmetic number, because the mean of its divisors is an integer number (419371616).

Almost surely, 2^8646489453 is an apocalyptic number.

It is an amenable number.

8646489453 is a deficient number, since it is larger than the sum of its proper divisors (4773402259).

8646489453 is a wasteful number, since it uses less digits than its factorization.

8646489453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025.

The product of its digits is 19906560, while the sum is 57.

The square root of 8646489453 is about 92986.5014558565. The cubic root of 8646489453 is about 2052.4847485790.

The spelling of 8646489453 in words is "eight billion, six hundred forty-six million, four hundred eighty-nine thousand, four hundred fifty-three".