42034243241 has 2 divisors, whose sum is σ = 42034243242. Its totient is φ = 42034243240.

The previous prime is 42034243201. The next prime is 42034243271. The reversal of 42034243241 is 14234243024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30352956841 + 11681286400 = 174221^2 + 108080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42034243241 is a prime.

It is not a weakly prime, because it can be changed into another prime (42034243201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017121620 + 21017121621.

It is an arithmetic number, because the mean of its divisors is an integer number (21017121621).

Almost surely, 2^42034243241 is an apocalyptic number.

It is an amenable number.

42034243241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42034243241 is an equidigital number, since it uses as much as digits as its factorization.

42034243241 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 42034243241 its reverse (14234243024), we get a palindrome (56268486265).

The spelling of 42034243241 in words is "forty-two billion, thirty-four million, two hundred forty-three thousand, two hundred forty-one".