42442024133 has 2 divisors, whose sum is σ = 42442024134. Its totient is φ = 42442024132.

The previous prime is 42442024129. The next prime is 42442024147. The reversal of 42442024133 is 33142024424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33400486564 + 9041537569 = 182758^2 + 95087^2 .

It is a cyclic number.

It is not a de Polignac number, because 42442024133 - 2² = 42442024129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42442024096 and 42442024105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42442024103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221012066 + 21221012067.

It is an arithmetic number, because the mean of its divisors is an integer number (21221012067).

Almost surely, 2^42442024133 is an apocalyptic number.

It is an amenable number.

42442024133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442024133 is an equidigital number, since it uses as much as digits as its factorization.

42442024133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42442024133 its reverse (33142024424), we get a palindrome (75584048557).

The spelling of 42442024133 in words is "forty-two billion, four hundred forty-two million, twenty-four thousand, one hundred thirty-three".