10643443 has 2 divisors, whose sum is σ = 10643444. Its totient is φ = 10643442.

The previous prime is 10643441. The next prime is 10643449. The reversal of 10643443 is 34434601.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34434601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10643443 - 2¹ = 10643441 is a prime.

It is a super-2 number, since 2×10643443² = 226565757788498, which contains 22 as substring.

Together with 10643441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10643441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321721 + 5321722.

It is an arithmetic number, because the mean of its divisors is an integer number (5321722).

Almost surely, 2^10643443 is an apocalyptic number.

10643443 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643443 is an equidigital number, since it uses as much as digits as its factorization.

10643443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 10643443 is about 3262.4290030589. The cubic root of 10643443 is about 219.9686112243.

The spelling of 10643443 in words is "ten million, six hundred forty-three thousand, four hundred forty-three".