4459444943 has 6 divisors (see below), whose sum is σ = 4583229336. Its totient is φ = 4338918072.

The previous prime is 4459444939. The next prime is 4459444949. The reversal of 4459444943 is 3494449544.

It is not a de Polignac number, because 4459444943 - 2² = 4459444939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4459444891 and 4459444900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4459444949) 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 in 5 ways as a sum of consecutive naturals, for example, 1627355 + ... + 1630092.

It is an arithmetic number, because the mean of its divisors is an integer number (763871556).

Almost surely, 2^4459444943 is an apocalyptic number.

4459444943 is a deficient number, since it is larger than the sum of its proper divisors (123784393).

4459444943 is an equidigital number, since it uses as much as digits as its factorization.

4459444943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257521 (or 3257484 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 50.

The square root of 4459444943 is about 66779.0756375079. The cubic root of 4459444943 is about 1645.9890263084.

The spelling of 4459444943 in words is "four billion, four hundred fifty-nine million, four hundred forty-four thousand, nine hundred forty-three".