4045224649 has 2 divisors, whose sum is σ = 4045224650. Its totient is φ = 4045224648.

The previous prime is 4045224593. The next prime is 4045224661. The reversal of 4045224649 is 9464225404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3904375225 + 140849424 = 62485^2 + 11868^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045224649 - 2¹³ = 4045216457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4045224679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022612324 + 2022612325.

It is an arithmetic number, because the mean of its divisors is an integer number (2022612325).

Almost surely, 2^4045224649 is an apocalyptic number.

It is an amenable number.

4045224649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045224649 is an equidigital number, since it uses as much as digits as its factorization.

4045224649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 4045224649 is about 63602.0805398691. The cubic root of 4045224649 is about 1593.3611175466.

The spelling of 4045224649 in words is "four billion, forty-five million, two hundred twenty-four thousand, six hundred forty-nine".