442404522143333 has 2 divisors, whose sum is σ = 442404522143334. Its totient is φ = 442404522143332.

The previous prime is 442404522143327. The next prime is 442404522143371. The reversal of 442404522143333 is 333341225404244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323986968131044 + 118417554012289 = 17999638^2 + 10881983^2 .

It is a cyclic number.

It is not a de Polignac number, because 442404522143333 - 2¹⁴ = 442404522126949 is a prime.

It is a super-2 number, since 2×442404522143333² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442404522743333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221202261071666 + 221202261071667.

It is an arithmetic number, because the mean of its divisors is an integer number (221202261071667).

Almost surely, 2^{442404522143333} is an apocalyptic number.

It is an amenable number.

442404522143333 is a deficient number, since it is larger than the sum of its proper divisors (1).

442404522143333 is an equidigital number, since it uses as much as digits as its factorization.

442404522143333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 44.

Adding to 442404522143333 its reverse (333341225404244), we get a palindrome (775745747547577).

The spelling of 442404522143333 in words is "four hundred forty-two trillion, four hundred four billion, five hundred twenty-two million, one hundred forty-three thousand, three hundred thirty-three".