244284616903681 has 4 divisors (see below), whose sum is σ = 244340942620932. Its totient is φ = 244228291186432.

The previous prime is 244284616903669. The next prime is 244284616903697. The reversal of 244284616903681 is 186309616482442.

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 103572448473025 + 140712168430656 = 10177055^2 + 11862216^2 .

It is a cyclic number.

It is not a de Polignac number, because 244284616903681 - 2²⁷ = 244284482685953 is a prime.

It is a super-2 number, since 2×244284616903681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244284616903601) 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, 28162852120 + ... + 28162860793.

It is an arithmetic number, because the mean of its divisors is an integer number (61085235655233).

Almost surely, 2^{244284616903681} is an apocalyptic number.

It is an amenable number.

244284616903681 is a deficient number, since it is larger than the sum of its proper divisors (56325717251).

244284616903681 is an equidigital number, since it uses as much as digits as its factorization.

244284616903681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56325717250.

The product of its (nonzero) digits is 95551488, while the sum is 64.

The spelling of 244284616903681 in words is "two hundred forty-four trillion, two hundred eighty-four billion, six hundred sixteen million, nine hundred three thousand, six hundred eighty-one".