2643066443 has 2 divisors, whose sum is σ = 2643066444. Its totient is φ = 2643066442.

The previous prime is 2643066407. The next prime is 2643066511. The reversal of 2643066443 is 3446603462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2643066443 - 2⁸ = 2643066187 is a prime.

It is a super-2 number, since 2×2643066443² = 13971600444225344498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2643066397 and 2643066406.

It is not a weakly prime, because it can be changed into another prime (2643066403) 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, 1321533221 + 1321533222.

It is an arithmetic number, because the mean of its divisors is an integer number (1321533222).

Almost surely, 2^2643066443 is an apocalyptic number.

2643066443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643066443 is an equidigital number, since it uses as much as digits as its factorization.

2643066443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 2643066443 is about 51410.7619375554. The cubic root of 2643066443 is about 1382.6195505423.

The spelling of 2643066443 in words is "two billion, six hundred forty-three million, sixty-six thousand, four hundred forty-three".