244684444486421 has 2 divisors, whose sum is σ = 244684444486422. Its totient is φ = 244684444486420.

The previous prime is 244684444486283. The next prime is 244684444486483. The reversal of 244684444486421 is 124684444486442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173251774800196 + 71432669686225 = 13162514^2 + 8451785^2 .

It is a cyclic number.

It is not a de Polignac number, because 244684444486421 - 2³⁰ = 244683370744597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244684444485421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122342222243210 + 122342222243211.

It is an arithmetic number, because the mean of its divisors is an integer number (122342222243211).

Almost surely, 2^{244684444486421} is an apocalyptic number.

It is an amenable number.

244684444486421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244684444486421 is an equidigital number, since it uses as much as digits as its factorization.

244684444486421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 603979776, while the sum is 65.

The spelling of 244684444486421 in words is "two hundred forty-four trillion, six hundred eighty-four billion, four hundred forty-four million, four hundred eighty-six thousand, four hundred twenty-one".