4444400013443 has 4 divisors (see below), whose sum is σ = 4786276937568. Its totient is φ = 4102523089320.

The previous prime is 4444400013437. The next prime is 4444400013457. The reversal of 4444400013443 is 3443100044444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4444400013443 - 2³⁶ = 4375680536707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444400093443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170938462043 + ... + 170938462068.

It is an arithmetic number, because the mean of its divisors is an integer number (1196569234392).

Almost surely, 2^{4444400013443} is an apocalyptic number.

4444400013443 is a deficient number, since it is larger than the sum of its proper divisors (341876924125).

4444400013443 is a wasteful number, since it uses less digits than its factorization.

4444400013443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341876924124.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4444400013443 its reverse (3443100044444), we get a palindrome (7887500057887).

The spelling of 4444400013443 in words is "four trillion, four hundred forty-four billion, four hundred million, thirteen thousand, four hundred forty-three".