42066204097 has 2 divisors, whose sum is σ = 42066204098. Its totient is φ = 42066204096.

The previous prime is 42066204043. The next prime is 42066204119. The reversal of 42066204097 is 79040266024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40719607681 + 1346596416 = 201791^2 + 36696^2 .

It is a cyclic number.

It is not a de Polignac number, because 42066204097 - 2³⁵ = 7706465729 is a prime.

It is not a weakly prime, because it can be changed into another prime (42066204197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21033102048 + 21033102049.

It is an arithmetic number, because the mean of its divisors is an integer number (21033102049).

Almost surely, 2^42066204097 is an apocalyptic number.

It is an amenable number.

42066204097 is a deficient number, since it is larger than the sum of its proper divisors (1).

42066204097 is an equidigital number, since it uses as much as digits as its factorization.

42066204097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 42066204097 in words is "forty-two billion, sixty-six million, two hundred four thousand, ninety-seven".