4646221717 has 2 divisors, whose sum is σ = 4646221718. Its totient is φ = 4646221716.

The previous prime is 4646221693. The next prime is 4646221763. The reversal of 4646221717 is 7171226464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4594941796 + 51279921 = 67786^2 + 7161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4646221717 - 2⁷ = 4646221589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4646221717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323110858 + 2323110859.

It is an arithmetic number, because the mean of its divisors is an integer number (2323110859).

Almost surely, 2^4646221717 is an apocalyptic number.

It is an amenable number.

4646221717 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646221717 is an equidigital number, since it uses as much as digits as its factorization.

4646221717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 4646221717 is about 68163.1991400052. The cubic root of 4646221717 is about 1668.6553433065.

The spelling of 4646221717 in words is "four billion, six hundred forty-six million, two hundred twenty-one thousand, seven hundred seventeen".