4965643 has 2 divisors, whose sum is σ = 4965644. Its totient is φ = 4965642.

The previous prime is 4965637. The next prime is 4965661. The reversal of 4965643 is 3465694.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4965643 - 2⁹ = 4965131 is a prime.

It is a super-2 number, since 2×4965643² = 49315220806898, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 9⁷ + 6 + 5³ + 6⁴ + 4⁶ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (4965613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482821 + 2482822.

It is an arithmetic number, because the mean of its divisors is an integer number (2482822).

Almost surely, 2^4965643 is an apocalyptic number.

4965643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4965643 is an equidigital number, since it uses as much as digits as its factorization.

4965643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 4965643 is about 2228.3722759001. The cubic root of 4965643 is about 170.6050298426.

The spelling of 4965643 in words is "four million, nine hundred sixty-five thousand, six hundred forty-three".