42110442241013 has 2 divisors, whose sum is σ = 42110442241014. Its totient is φ = 42110442241012.

The previous prime is 42110442240989. The next prime is 42110442241073. The reversal of 42110442241013 is 31014224401124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38769962261809 + 3340479979204 = 6226553^2 + 1827698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42110442241013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42110442241073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055221120506 + 21055221120507.

It is an arithmetic number, because the mean of its divisors is an integer number (21055221120507).

Almost surely, 2^{42110442241013} is an apocalyptic number.

It is an amenable number.

42110442241013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110442241013 is an equidigital number, since it uses as much as digits as its factorization.

42110442241013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 42110442241013 its reverse (31014224401124), we get a palindrome (73124666642137).

The spelling of 42110442241013 in words is "forty-two trillion, one hundred ten billion, four hundred forty-two million, two hundred forty-one thousand, thirteen".