244781112389 has 8 divisors (see below), whose sum is σ = 267144726240. Its totient is φ = 222435962800.

The previous prime is 244781112349. The next prime is 244781112391. The reversal of 244781112389 is 983211187442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 244781112389 - 2¹² = 244781108293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244781112349) 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, 4588334 + ... + 4641375.

It is an arithmetic number, because the mean of its divisors is an integer number (33393090780).

Almost surely, 2^244781112389 is an apocalyptic number.

It is an amenable number.

244781112389 is a deficient number, since it is larger than the sum of its proper divisors (22363613851).

244781112389 is a wasteful number, since it uses less digits than its factorization.

244781112389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232131.

The product of its digits is 774144, while the sum is 50.

The spelling of 244781112389 in words is "two hundred forty-four billion, seven hundred eighty-one million, one hundred twelve thousand, three hundred eighty-nine".