4644149 has 2 divisors, whose sum is σ = 4644150. Its totient is φ = 4644148.

The previous prime is 4644139. The next prime is 4644161. The reversal of 4644149 is 9414464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 1737124 = 1705^2 + 1318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4644139) 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, 2322074 + 2322075.

It is an arithmetic number, because the mean of its divisors is an integer number (2322075).

Almost surely, 2^4644149 is an apocalyptic number.

It is an amenable number.

4644149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644149 is an equidigital number, since it uses as much as digits as its factorization.

4644149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 4644149 is about 2155.0287701096. The cubic root of 4644149 is about 166.8407172861.

The spelling of 4644149 in words is "four million, six hundred forty-four thousand, one hundred forty-nine".