66342022135639 has 2 divisors, whose sum is σ = 66342022135640. Its totient is φ = 66342022135638.

The previous prime is 66342022135607. The next prime is 66342022135643. The reversal of 66342022135639 is 93653122024366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66342022135639 - 2⁵ = 66342022135607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66342022130639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33171011067819 + 33171011067820.

It is an arithmetic number, because the mean of its divisors is an integer number (33171011067820).

Almost surely, 2^{66342022135639} is an apocalyptic number.

66342022135639 is a deficient number, since it is larger than the sum of its proper divisors (1).

66342022135639 is an equidigital number, since it uses as much as digits as its factorization.

66342022135639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 66342022135639 in words is "sixty-six trillion, three hundred forty-two billion, twenty-two million, one hundred thirty-five thousand, six hundred thirty-nine".