4389984562441 has 3 divisors (see below), whose sum is σ = 4389986657671. Its totient is φ = 4389982467212.

The previous prime is 4389984562417. The next prime is 4389984562477. The reversal of 4389984562441 is 1442654899834.

The square root of 4389984562441 is 2095229.

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 can be written as a sum of positive squares in only one way, i.e., 654191410041 + 3735793152400 = 808821^2 + 1932820^2 .

It is not a de Polignac number, because 4389984562441 - 2⁹ = 4389984561929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4389984560441) 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, 1047615 + ... + 3142843.

Almost surely, 2^{4389984562441} is an apocalyptic number.

4389984562441 is the 2095229-th square number.

4389984562441 is the 1047615-th centered octagonal number.

It is an amenable number.

4389984562441 is a deficient number, since it is larger than the sum of its proper divisors (2095230).

4389984562441 is an frugal number, since it uses more digits than its factorization.

4389984562441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190458 (or 2095229 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 67.

The spelling of 4389984562441 in words is "four trillion, three hundred eighty-nine billion, nine hundred eighty-four million, five hundred sixty-two thousand, four hundred forty-one".