4165850573 has 2 divisors, whose sum is σ = 4165850574. Its totient is φ = 4165850572.

The previous prime is 4165850539. The next prime is 4165850641. The reversal of 4165850573 is 3750585614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4047758884 + 118091689 = 63622^2 + 10867^2 .

It is a cyclic number.

It is not a de Polignac number, because 4165850573 - 2¹⁰ = 4165849549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4165850503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082925286 + 2082925287.

It is an arithmetic number, because the mean of its divisors is an integer number (2082925287).

Almost surely, 2^4165850573 is an apocalyptic number.

It is an amenable number.

4165850573 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165850573 is an equidigital number, since it uses as much as digits as its factorization.

4165850573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 4165850573 is about 64543.4006928671. The cubic root of 4165850573 is about 1609.0439101801.

The spelling of 4165850573 in words is "four billion, one hundred sixty-five million, eight hundred fifty thousand, five hundred seventy-three".