9944277841 has 3 divisors (see below), whose sum is σ = 9944377563. Its totient is φ = 9944178120.

The previous prime is 9944277839. The next prime is 9944277859. The reversal of 9944277841 is 1487724499.

The square root of 9944277841 is 99721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1487724499 = 6053 ⋅245783.

It can be written as a sum of positive squares in only one way, i.e., 3934927441 + 6009350400 = 62729^2 + 77520^2 .

It is not a de Polignac number, because 9944277841 - 2¹ = 9944277839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944277881) 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, 49861 + ... + 149581.

It is an arithmetic number, because the mean of its divisors is an integer number (3314792521).

Almost surely, 2^9944277841 is an apocalyptic number.

9944277841 is the 99721-st square number.

9944277841 is the 49861-st centered octagonal number.

It is an amenable number.

9944277841 is a deficient number, since it is larger than the sum of its proper divisors (99722).

9944277841 is an frugal number, since it uses more digits than its factorization.

9944277841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199442 (or 99721 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The cubic root of 9944277841 is about 2150.4255758235.

The spelling of 9944277841 in words is "nine billion, nine hundred forty-four million, two hundred seventy-seven thousand, eight hundred forty-one".