4445217756673 has 16 divisors (see below), whose sum is σ = 4604815143936. Its totient is φ = 4286636550720.

The previous prime is 4445217756659. The next prime is 4445217756691. The reversal of 4445217756673 is 3766577125444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4445217756673 - 2¹³ = 4445217748481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445217753673) 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, 93921811 + ... + 93969127.

It is an arithmetic number, because the mean of its divisors is an integer number (287800946496).

Almost surely, 2^{4445217756673} is an apocalyptic number.

It is an amenable number.

4445217756673 is a deficient number, since it is larger than the sum of its proper divisors (159597387263).

4445217756673 is a wasteful number, since it uses less digits than its factorization.

4445217756673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57984.

The product of its digits is 118540800, while the sum is 61.

The spelling of 4445217756673 in words is "four trillion, four hundred forty-five billion, two hundred seventeen million, seven hundred fifty-six thousand, six hundred seventy-three".