244448435381 has 4 divisors (see below), whose sum is σ = 244599985932. Its totient is φ = 244296884832.

The previous prime is 244448435317. The next prime is 244448435449. The reversal of 244448435381 is 183534844442.

244448435381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 183534844442 = 2 ⋅91767422221.

It can be written as a sum of positive squares in 2 ways, for example, as 122546204356 + 121902231025 = 350066^2 + 349145^2 .

It is a cyclic number.

It is not a de Polignac number, because 244448435381 - 2⁶ = 244448435317 is a prime.

It is a super-2 number, since 2×244448435381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244448405381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75772856 + ... + 75776081.

It is an arithmetic number, because the mean of its divisors is an integer number (61149996483).

Almost surely, 2^244448435381 is an apocalyptic number.

It is an amenable number.

244448435381 is a deficient number, since it is larger than the sum of its proper divisors (151550551).

244448435381 is a wasteful number, since it uses less digits than its factorization.

244448435381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151550550.

The product of its digits is 5898240, while the sum is 50.

The spelling of 244448435381 in words is "two hundred forty-four billion, four hundred forty-eight million, four hundred thirty-five thousand, three hundred eighty-one".