42244241983837 has 2 divisors, whose sum is σ = 42244241983838. Its totient is φ = 42244241983836.

The previous prime is 42244241983831. The next prime is 42244241983873. The reversal of 42244241983837 is 73838914244224.

Together with next prime (42244241983873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25690239650916 + 16554002332921 = 5068554^2 + 4068661^2 .

It is a cyclic number.

It is not a de Polignac number, because 42244241983837 - 2³¹ = 42242094500189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42244241983831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122120991918 + 21122120991919.

It is an arithmetic number, because the mean of its divisors is an integer number (21122120991919).

Almost surely, 2^{42244241983837} is an apocalyptic number.

It is an amenable number.

42244241983837 is a deficient number, since it is larger than the sum of its proper divisors (1).

42244241983837 is an equidigital number, since it uses as much as digits as its factorization.

42244241983837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74317824, while the sum is 61.

The spelling of 42244241983837 in words is "forty-two trillion, two hundred forty-four billion, two hundred forty-one million, nine hundred eighty-three thousand, eight hundred thirty-seven".