8646489433 has 2 divisors, whose sum is σ = 8646489434. Its totient is φ = 8646489432.

The previous prime is 8646489431. The next prime is 8646489437. The reversal of 8646489433 is 3349846468.

8646489433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8417512009 + 228977424 = 91747^2 + 15132^2 .

It is a cyclic number.

It is not a de Polignac number, because 8646489433 - 2¹ = 8646489431 is a prime.

It is a super-2 number, since 2×8646489433² (a number of 21 digits) contains 22 as substring.

Together with 8646489431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8646489431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4323244716 + 4323244717.

It is an arithmetic number, because the mean of its divisors is an integer number (4323244717).

Almost surely, 2^8646489433 is an apocalyptic number.

It is an amenable number.

8646489433 is a deficient number, since it is larger than the sum of its proper divisors (1).

8646489433 is an equidigital number, since it uses as much as digits as its factorization.

8646489433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 55.

The square root of 8646489433 is about 92986.5013483140. The cubic root of 8646489433 is about 2052.4847469965.

The spelling of 8646489433 in words is "eight billion, six hundred forty-six million, four hundred eighty-nine thousand, four hundred thirty-three".