2066849417 has 2 divisors, whose sum is σ = 2066849418. Its totient is φ = 2066849416.

The previous prime is 2066849383. The next prime is 2066849441. The reversal of 2066849417 is 7149486602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2034370816 + 32478601 = 45104^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066849417 - 2¹⁴ = 2066833033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066849717) 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, 1033424708 + 1033424709.

It is an arithmetic number, because the mean of its divisors is an integer number (1033424709).

Almost surely, 2^2066849417 is an apocalyptic number.

It is an amenable number.

2066849417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066849417 is an equidigital number, since it uses as much as digits as its factorization.

2066849417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2066849417 is about 45462.6155978734. The cubic root of 2066849417 is about 1273.8049891399.

The spelling of 2066849417 in words is "two billion, sixty-six million, eight hundred forty-nine thousand, four hundred seventeen".