44243243332021 has 4 divisors (see below), whose sum is σ = 46845787057452. Its totient is φ = 41640699606592.

The previous prime is 44243243332019. The next prime is 44243243332103. The reversal of 44243243332021 is 12023334234244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39377645575921 + 4865597756100 = 6275161^2 + 2205810^2 .

It is a cyclic number.

It is not a de Polignac number, because 44243243332021 - 2¹ = 44243243332019 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 (44243243330021) 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, 1301271862690 + ... + 1301271862723.

It is an arithmetic number, because the mean of its divisors is an integer number (11711446764363).

Almost surely, 2^{44243243332021} is an apocalyptic number.

It is an amenable number.

44243243332021 is a deficient number, since it is larger than the sum of its proper divisors (2602543725431).

44243243332021 is a wasteful number, since it uses less digits than its factorization.

44243243332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602543725430.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 44243243332021 its reverse (12023334234244), we get a palindrome (56266577566265).

The spelling of 44243243332021 in words is "forty-four trillion, two hundred forty-three billion, two hundred forty-three million, three hundred thirty-two thousand, twenty-one".