4448066657 has 2 divisors, whose sum is σ = 4448066658. Its totient is φ = 4448066656.

The previous prime is 4448066641. The next prime is 4448066683. The reversal of 4448066657 is 7566608444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3194623441 + 1253443216 = 56521^2 + 35404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4448066657 - 2⁴ = 4448066641 is a prime.

It is not a weakly prime, because it can be changed into another prime (4448068657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224033328 + 2224033329.

It is an arithmetic number, because the mean of its divisors is an integer number (2224033329).

Almost surely, 2^4448066657 is an apocalyptic number.

It is an amenable number.

4448066657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4448066657 is an equidigital number, since it uses as much as digits as its factorization.

4448066657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The square root of 4448066657 is about 66693.8277279090. The cubic root of 4448066657 is about 1644.5879188174.

The spelling of 4448066657 in words is "four billion, four hundred forty-eight million, sixty-six thousand, six hundred fifty-seven".