4813643 has 2 divisors, whose sum is σ = 4813644. Its totient is φ = 4813642.

The previous prime is 4813639. The next prime is 4813651. The reversal of 4813643 is 3463184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4813643 - 2² = 4813639 is a prime.

It is not a weakly prime, because it can be changed into another prime (4813673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2406821 + 2406822.

It is an arithmetic number, because the mean of its divisors is an integer number (2406822).

Almost surely, 2^4813643 is an apocalyptic number.

4813643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4813643 is an equidigital number, since it uses as much as digits as its factorization.

4813643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 4813643 is about 2194.0015952592. The cubic root of 4813643 is about 168.8462006575.

The spelling of 4813643 in words is "four million, eight hundred thirteen thousand, six hundred forty-three".