244243042563 has 64 divisors (see below), whose sum is σ = 376621056000. Its totient is φ = 139541512320.

The previous prime is 244243042559. The next prime is 244243042591. The reversal of 244243042563 is 365240342442.

It is not a de Polignac number, because 244243042563 - 2² = 244243042559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (244243042523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8772138 + ... + 8799936.

It is an arithmetic number, because the mean of its divisors is an integer number (5884704000).

Almost surely, 2^244243042563 is an apocalyptic number.

244243042563 is a deficient number, since it is larger than the sum of its proper divisors (132378013437).

244243042563 is a wasteful number, since it uses less digits than its factorization.

244243042563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28072.

The product of its (nonzero) digits is 552960, while the sum is 39.

The spelling of 244243042563 in words is "two hundred forty-four billion, two hundred forty-three million, forty-two thousand, five hundred sixty-three".