4643 has 2 divisors, whose sum is σ = 4644. Its totient is φ = 4642.

The previous prime is 4639. The next prime is 4649. The reversal of 4643 is 3464.

It is a weak prime.

4643 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 4643 - 2² = 4639 is a prime.

It is a Chen prime.

It is a magnanimous number.

It is a plaindrome in base 14 and base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4643.

It is not a weakly prime, because it can be changed into another prime (4649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321 + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (2322).

2⁴⁶⁴³ is an apocalyptic number.

4643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643 is an equidigital number, since it uses as much as digits as its factorization.

4643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 17.

The square root of 4643 is about 68.1395626637. The cubic root of 4643 is about 16.6826956904.

The spelling of 4643 in words is "four thousand, six hundred forty-three".