42004323241 has 2 divisors, whose sum is σ = 42004323242. Its totient is φ = 42004323240.

The previous prime is 42004323217. The next prime is 42004323269. The reversal of 42004323241 is 14232340024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41012325225 + 991998016 = 202515^2 + 31496^2 .

It is a cyclic number.

It is not a de Polignac number, because 42004323241 - 2¹⁹ = 42003798953 is a prime.

It is not a weakly prime, because it can be changed into another prime (42004323341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002161620 + 21002161621.

It is an arithmetic number, because the mean of its divisors is an integer number (21002161621).

Almost surely, 2^42004323241 is an apocalyptic number.

It is an amenable number.

42004323241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42004323241 is an equidigital number, since it uses as much as digits as its factorization.

42004323241 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 42004323241 its reverse (14232340024), we get a palindrome (56236663265).

The spelling of 42004323241 in words is "forty-two billion, four million, three hundred twenty-three thousand, two hundred forty-one".