884449084221 has 6 divisors (see below), whose sum is σ = 1277537566110. Its totient is φ = 589632722808.

The previous prime is 884449084199. The next prime is 884449084261. The reversal of 884449084221 is 122480944488.

It can be written as a sum of positive squares in only one way, i.e., 862362963225 + 22086120996 = 928635^2 + 148614^2 .

It is not a de Polignac number, because 884449084221 - 2¹⁴ = 884449067837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884449084261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49136060226 + ... + 49136060243.

It is an arithmetic number, because the mean of its divisors is an integer number (212922927685).

Almost surely, 2^884449084221 is an apocalyptic number.

It is an amenable number.

884449084221 is a deficient number, since it is larger than the sum of its proper divisors (393088481889).

884449084221 is a wasteful number, since it uses less digits than its factorization.

884449084221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98272120475 (or 98272120472 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 884449084221 in words is "eight hundred eighty-four billion, four hundred forty-nine million, eighty-four thousand, two hundred twenty-one".