244188989453 has 2 divisors, whose sum is σ = 244188989454. Its totient is φ = 244188989452.

The previous prime is 244188989441. The next prime is 244188989489. The reversal of 244188989453 is 354989881442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233406866884 + 10782122569 = 483122^2 + 103837^2 .

It is a cyclic number.

It is not a de Polignac number, because 244188989453 - 2⁴ = 244188989437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244188989453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244188989413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122094494726 + 122094494727.

It is an arithmetic number, because the mean of its divisors is an integer number (122094494727).

Almost surely, 2^244188989453 is an apocalyptic number.

It is an amenable number.

244188989453 is a deficient number, since it is larger than the sum of its proper divisors (1).

244188989453 is an equidigital number, since it uses as much as digits as its factorization.

244188989453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79626240, while the sum is 65.

The spelling of 244188989453 in words is "two hundred forty-four billion, one hundred eighty-eight million, nine hundred eighty-nine thousand, four hundred fifty-three".