4444486765543 has 12 divisors (see below), whose sum is σ = 4892152762840. Its totient is φ = 4034743645680.

The previous prime is 4444486765531. The next prime is 4444486765549. The reversal of 4444486765543 is 3455676844444.

It is a de Polignac number, because none of the positive numbers 2^k-4444486765543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444486765549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25817805 + ... + 25989382.

Almost surely, 2^{4444486765543} is an apocalyptic number.

4444486765543 is a deficient number, since it is larger than the sum of its proper divisors (447665997297).

4444486765543 is a wasteful number, since it uses less digits than its factorization.

4444486765543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51807918 (or 51807907 counting only the distinct ones).

The product of its digits is 619315200, while the sum is 64.

The spelling of 4444486765543 in words is "four trillion, four hundred forty-four billion, four hundred eighty-six million, seven hundred sixty-five thousand, five hundred forty-three".