4223448340609 has 3 divisors (see below), whose sum is σ = 4223450395713. Its totient is φ = 4223446285506.

The previous prime is 4223448340571. The next prime is 4223448340619. The reversal of 4223448340609 is 9060438443224.

The square root of 4223448340609 is 2055103.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4223448340609 - 2¹¹ = 4223448338561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223448340619) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1027552 + ... + 3082654.

It is an arithmetic number, because the mean of its divisors is an integer number (1407816798571).

Almost surely, 2^{4223448340609} is an apocalyptic number.

4223448340609 is the 2055103-rd square number.

4223448340609 is the 1027552-nd centered octagonal number.

It is an amenable number.

4223448340609 is a deficient number, since it is larger than the sum of its proper divisors (2055104).

4223448340609 is an frugal number, since it uses more digits than its factorization.

4223448340609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110206 (or 2055103 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 49.

Multiplying 4223448340609 by its sum of digits (49), we get a square (206948968689841 = 14385721²).

The spelling of 4223448340609 in words is "four trillion, two hundred twenty-three billion, four hundred forty-eight million, three hundred forty thousand, six hundred nine".