3640000489 has 2 divisors, whose sum is σ = 3640000490. Its totient is φ = 3640000488.

The previous prime is 3640000477. The next prime is 3640000537. The reversal of 3640000489 is 9840000463.

3640000489 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., 2794179600 + 845820889 = 52860^2 + 29083^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640000489 - 2⁷ = 3640000361 is a prime.

It is not a weakly prime, because it can be changed into another prime (3640000289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820000244 + 1820000245.

It is an arithmetic number, because the mean of its divisors is an integer number (1820000245).

Almost surely, 2^3640000489 is an apocalyptic number.

It is an amenable number.

3640000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640000489 is an equidigital number, since it uses as much as digits as its factorization.

3640000489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3640000489 is about 60332.4165685413. The cubic root of 3640000489 is about 1538.2744050805.

The spelling of 3640000489 in words is "three billion, six hundred forty million, four hundred eighty-nine", and thus it is an aban number.