9444216671 has 4 divisors (see below), whose sum is σ = 9604288200. Its totient is φ = 9284145144.

The previous prime is 9444216653. The next prime is 9444216679. The reversal of 9444216671 is 1766124449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1766124449 = 1171 ⋅1508219.

It is a cyclic number.

It is not a de Polignac number, because 9444216671 - 2²⁶ = 9377107807 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 (9444216679) 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, 80035676 + ... + 80035793.

It is an arithmetic number, because the mean of its divisors is an integer number (2401072050).

Almost surely, 2^9444216671 is an apocalyptic number.

9444216671 is a deficient number, since it is larger than the sum of its proper divisors (160071529).

9444216671 is a wasteful number, since it uses less digits than its factorization.

9444216671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160071528.

The product of its digits is 290304, while the sum is 44.

The square root of 9444216671 is about 97181.3596889856. The cubic root of 9444216671 is about 2113.7582422200.

The spelling of 9444216671 in words is "nine billion, four hundred forty-four million, two hundred sixteen thousand, six hundred seventy-one".