19338967244 has 12 divisors (see below), whose sum is σ = 33878197584. Its totient is φ = 9659482224.

The previous prime is 19338967213. The next prime is 19338967261. The reversal of 19338967244 is 44276983391.

It is a self number, because there is not a number n which added to its sum of digits gives 19338967244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495999 + ... + 2503734.

It is an arithmetic number, because the mean of its divisors is an integer number (2823183132).

Almost surely, 2^19338967244 is an apocalyptic number.

It is an amenable number.

19338967244 is a deficient number, since it is larger than the sum of its proper divisors (14539230340).

19338967244 is a wasteful number, since it uses less digits than its factorization.

19338967244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000704 (or 5000702 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The spelling of 19338967244 in words is "nineteen billion, three hundred thirty-eight million, nine hundred sixty-seven thousand, two hundred forty-four".