42234043073 has 2 divisors, whose sum is σ = 42234043074. Its totient is φ = 42234043072.

The previous prime is 42234043013. The next prime is 42234043129. The reversal of 42234043073 is 37034043224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23909818384 + 18324224689 = 154628^2 + 135367^2 .

It is a cyclic number.

It is not a de Polignac number, because 42234043073 - 2¹⁸ = 42233780929 is a prime.

It is not a weakly prime, because it can be changed into another prime (42234043013) 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, 21117021536 + 21117021537.

It is an arithmetic number, because the mean of its divisors is an integer number (21117021537).

Almost surely, 2^42234043073 is an apocalyptic number.

It is an amenable number.

42234043073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234043073 is an equidigital number, since it uses as much as digits as its factorization.

42234043073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 32.

Adding to 42234043073 its reverse (37034043224), we get a palindrome (79268086297).

The spelling of 42234043073 in words is "forty-two billion, two hundred thirty-four million, forty-three thousand, seventy-three".