4044658949 has 2 divisors, whose sum is σ = 4044658950. Its totient is φ = 4044658948.

The previous prime is 4044658909. The next prime is 4044658999. The reversal of 4044658949 is 9498564404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3931917025 + 112741924 = 62705^2 + 10618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044658949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4044658949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044658909) 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, 2022329474 + 2022329475.

It is an arithmetic number, because the mean of its divisors is an integer number (2022329475).

Almost surely, 2^4044658949 is an apocalyptic number.

It is an amenable number.

4044658949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044658949 is an equidigital number, since it uses as much as digits as its factorization.

4044658949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The square root of 4044658949 is about 63597.6332028166. The cubic root of 4044658949 is about 1593.2868401387.

The spelling of 4044658949 in words is "four billion, forty-four million, six hundred fifty-eight thousand, nine hundred forty-nine".