42655340141 has 2 divisors, whose sum is σ = 42655340142. Its totient is φ = 42655340140.

The previous prime is 42655340137. The next prime is 42655340159. The reversal of 42655340141 is 14104355624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39828184900 + 2827155241 = 199570^2 + 53171^2 .

It is a cyclic number.

It is not a de Polignac number, because 42655340141 - 2² = 42655340137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42655340341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327670070 + 21327670071.

It is an arithmetic number, because the mean of its divisors is an integer number (21327670071).

Almost surely, 2^42655340141 is an apocalyptic number.

It is an amenable number.

42655340141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42655340141 is an equidigital number, since it uses as much as digits as its factorization.

42655340141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 42655340141 its reverse (14104355624), we get a palindrome (56759695765).

The spelling of 42655340141 in words is "forty-two billion, six hundred fifty-five million, three hundred forty thousand, one hundred forty-one".