4646664173 has 2 divisors, whose sum is σ = 4646664174. Its totient is φ = 4646664172.

The previous prime is 4646664119. The next prime is 4646664181. The reversal of 4646664173 is 3714666464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4430632969 + 216031204 = 66563^2 + 14698^2 .

It is a cyclic number.

It is not a de Polignac number, because 4646664173 - 2¹⁰ = 4646663149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646664103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323332086 + 2323332087.

It is an arithmetic number, because the mean of its divisors is an integer number (2323332087).

Almost surely, 2^4646664173 is an apocalyptic number.

It is an amenable number.

4646664173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646664173 is an equidigital number, since it uses as much as digits as its factorization.

4646664173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 47.

The square root of 4646664173 is about 68166.4446263702. Note that the first 3 decimals coincide. The cubic root of 4646664173 is about 1668.7083098657.

The spelling of 4646664173 in words is "four billion, six hundred forty-six million, six hundred sixty-four thousand, one hundred seventy-three".