4456218443 has 2 divisors, whose sum is σ = 4456218444. Its totient is φ = 4456218442.

The previous prime is 4456218439. The next prime is 4456218461. The reversal of 4456218443 is 3448126544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4456218443 - 2² = 4456218439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4456218443.

It is not a weakly prime, because it can be changed into another prime (4456208443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228109221 + 2228109222.

It is an arithmetic number, because the mean of its divisors is an integer number (2228109222).

Almost surely, 2^4456218443 is an apocalyptic number.

4456218443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4456218443 is an equidigital number, since it uses as much as digits as its factorization.

4456218443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 41.

The square root of 4456218443 is about 66754.9132498875. The cubic root of 4456218443 is about 1645.5919615768.

The spelling of 4456218443 in words is "four billion, four hundred fifty-six million, two hundred eighteen thousand, four hundred forty-three".