42340555425061 has 2 divisors, whose sum is σ = 42340555425062. Its totient is φ = 42340555425060.

The previous prime is 42340555425031. The next prime is 42340555425083. The reversal of 42340555425061 is 16052455504324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34494114102561 + 7846441322500 = 5873169^2 + 2801150^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340555425061 - 2⁵ = 42340555425029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42340555425031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21170277712530 + 21170277712531.

It is an arithmetic number, because the mean of its divisors is an integer number (21170277712531).

Almost surely, 2^{42340555425061} is an apocalyptic number.

It is an amenable number.

42340555425061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42340555425061 is an equidigital number, since it uses as much as digits as its factorization.

42340555425061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 42340555425061 in words is "forty-two trillion, three hundred forty billion, five hundred fifty-five million, four hundred twenty-five thousand, sixty-one".