42234131473 has 2 divisors, whose sum is σ = 42234131474. Its totient is φ = 42234131472.

The previous prime is 42234131419. The next prime is 42234131539. The reversal of 42234131473 is 37413143224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36365345809 + 5868785664 = 190697^2 + 76608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42234131473 is a prime.

It is a super-2 number, since 2×42234131473² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42234138473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117065736 + 21117065737.

It is an arithmetic number, because the mean of its divisors is an integer number (21117065737).

Almost surely, 2^42234131473 is an apocalyptic number.

It is an amenable number.

42234131473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234131473 is an equidigital number, since it uses as much as digits as its factorization.

42234131473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

Adding to 42234131473 its reverse (37413143224), we get a palindrome (79647274697).

The spelling of 42234131473 in words is "forty-two billion, two hundred thirty-four million, one hundred thirty-one thousand, four hundred seventy-three".