244984411681 has 3 divisors (see below), whose sum is σ = 244984906641. Its totient is φ = 244983916722.

The previous prime is 244984411669. The next prime is 244984411739. The reversal of 244984411681 is 186114489442.

The square root of 244984411681 is 494959.

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 244984411681 - 2³⁵ = 210624673313 is a prime.

It is a super-2 number, since 2×244984411681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244984411601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 247480 + ... + 742438.

It is an arithmetic number, because the mean of its divisors is an integer number (81661635547).

Almost surely, 2^244984411681 is an apocalyptic number.

244984411681 is the 494959-th square number.

244984411681 is the 247480-th centered octagonal number.

It is an amenable number.

244984411681 is a deficient number, since it is larger than the sum of its proper divisors (494960).

244984411681 is an frugal number, since it uses more digits than its factorization.

244984411681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989918 (or 494959 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The spelling of 244984411681 in words is "two hundred forty-four billion, nine hundred eighty-four million, four hundred eleven thousand, six hundred eighty-one".