442331133253 has 2 divisors, whose sum is σ = 442331133254. Its totient is φ = 442331133252.

The previous prime is 442331133193. The next prime is 442331133311. The reversal of 442331133253 is 352331133244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248130508129 + 194200625124 = 498127^2 + 440682^2 .

It is a cyclic number.

It is not a de Polignac number, because 442331133253 - 2⁹ = 442331132741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442331133053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221165566626 + 221165566627.

It is an arithmetic number, because the mean of its divisors is an integer number (221165566627).

Almost surely, 2^442331133253 is an apocalyptic number.

It is an amenable number.

442331133253 is a deficient number, since it is larger than the sum of its proper divisors (1).

442331133253 is an equidigital number, since it uses as much as digits as its factorization.

442331133253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 34.

Adding to 442331133253 its reverse (352331133244), we get a palindrome (794662266497).

Subtracting from 442331133253 its reverse (352331133244), we obtain a palindrome (90000000009).

The spelling of 442331133253 in words is "four hundred forty-two billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred fifty-three".