4444451855963 has 16 divisors (see below), whose sum is σ = 5105054760960. Its totient is φ = 3790288701216.

The previous prime is 4444451855959. The next prime is 4444451855971. The reversal of 4444451855963 is 3695581544444.

It is a cyclic number.

It is not a de Polignac number, because 4444451855963 - 2² = 4444451855959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4444451855896 and 4444451855905.

It is not an unprimeable number, because it can be changed into a prime (4444451855923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936481 + ... + 3555117.

It is an arithmetic number, because the mean of its divisors is an integer number (319065922560).

Almost surely, 2^{4444451855963} is an apocalyptic number.

4444451855963 is a deficient number, since it is larger than the sum of its proper divisors (660602904997).

4444451855963 is a wasteful number, since it uses less digits than its factorization.

4444451855963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620626.

The product of its digits is 165888000, while the sum is 62.

The spelling of 4444451855963 in words is "four trillion, four hundred forty-four billion, four hundred fifty-one million, eight hundred fifty-five thousand, nine hundred sixty-three".