244121163447 has 8 divisors (see below), whose sum is σ = 371994153856. Its totient is φ = 139497807672.

The previous prime is 244121163439. The next prime is 244121163499. The reversal of 244121163447 is 744361121442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244121163447 - 2³ = 244121163439 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 (244121163427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812408633 + ... + 5812408674.

It is an arithmetic number, because the mean of its divisors is an integer number (46499269232).

Almost surely, 2^244121163447 is an apocalyptic number.

244121163447 is a deficient number, since it is larger than the sum of its proper divisors (127872990409).

244121163447 is a wasteful number, since it uses less digits than its factorization.

244121163447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624817317.

The product of its digits is 129024, while the sum is 39.

Adding to 244121163447 its reverse (744361121442), we get a palindrome (988482284889).

The spelling of 244121163447 in words is "two hundred forty-four billion, one hundred twenty-one million, one hundred sixty-three thousand, four hundred forty-seven".