42204234013 has 2 divisors, whose sum is σ = 42204234014. Its totient is φ = 42204234012.

The previous prime is 42204233999. The next prime is 42204234019. The reversal of 42204234013 is 31043240224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31379288164 + 10824945849 = 177142^2 + 104043^2 .

It is a cyclic number.

It is not a de Polignac number, because 42204234013 - 2¹³ = 42204225821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42204234019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102117006 + 21102117007.

It is an arithmetic number, because the mean of its divisors is an integer number (21102117007).

Almost surely, 2^42204234013 is an apocalyptic number.

It is an amenable number.

42204234013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42204234013 is an equidigital number, since it uses as much as digits as its factorization.

42204234013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42204234013 its reverse (31043240224), we get a palindrome (73247474237).

The spelling of 42204234013 in words is "forty-two billion, two hundred four million, two hundred thirty-four thousand, thirteen".