4643993832217 has 2 divisors, whose sum is σ = 4643993832218. Its totient is φ = 4643993832216.

The previous prime is 4643993832197. The next prime is 4643993832251. The reversal of 4643993832217 is 7122383993464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4602157629696 + 41836202521 = 2145264^2 + 204539^2 .

It is a cyclic number.

It is not a de Polignac number, because 4643993832217 - 2⁷ = 4643993832089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4643993832287) 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, 2321996916108 + 2321996916109.

It is an arithmetic number, because the mean of its divisors is an integer number (2321996916109).

Almost surely, 2^{4643993832217} is an apocalyptic number.

It is an amenable number.

4643993832217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643993832217 is an equidigital number, since it uses as much as digits as its factorization.

4643993832217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 61.

The spelling of 4643993832217 in words is "four trillion, six hundred forty-three billion, nine hundred ninety-three million, eight hundred thirty-two thousand, two hundred seventeen".