4649728289 has 2 divisors, whose sum is σ = 4649728290. Its totient is φ = 4649728288.

The previous prime is 4649728273. The next prime is 4649728333. The reversal of 4649728289 is 9828279464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3931917025 + 717811264 = 62705^2 + 26792^2 .

It is a cyclic number.

It is not a de Polignac number, because 4649728289 - 2⁴ = 4649728273 is a prime.

It is not a weakly prime, because it can be changed into another prime (4649728249) by changing a digit.

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, 2324864144 + 2324864145.

It is an arithmetic number, because the mean of its divisors is an integer number (2324864145).

Almost surely, 2^4649728289 is an apocalyptic number.

It is an amenable number.

4649728289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649728289 is an equidigital number, since it uses as much as digits as its factorization.

4649728289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The square root of 4649728289 is about 68188.9161741115. The cubic root of 4649728289 is about 1669.0750240038.

The spelling of 4649728289 in words is "four billion, six hundred forty-nine million, seven hundred twenty-eight thousand, two hundred eighty-nine".