244684444485421 has 2 divisors, whose sum is σ = 244684444485422. Its totient is φ = 244684444485420.

The previous prime is 244684444485389. The next prime is 244684444485427. The reversal of 244684444485421 is 124584444486442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244436370760521 + 248073724900 = 15634461^2 + 498070^2 .

It is a cyclic number.

It is not a de Polignac number, because 244684444485421 - 2⁵ = 244684444485389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244684444485427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122342222242710 + 122342222242711.

It is an arithmetic number, because the mean of its divisors is an integer number (122342222242711).

Almost surely, 2^{244684444485421} is an apocalyptic number.

It is an amenable number.

244684444485421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244684444485421 is an equidigital number, since it uses as much as digits as its factorization.

244684444485421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 503316480, while the sum is 64.

The spelling of 244684444485421 in words is "two hundred forty-four trillion, six hundred eighty-four billion, four hundred forty-four million, four hundred eighty-five thousand, four hundred twenty-one".