42002066336369 has 2 divisors, whose sum is σ = 42002066336370. Its totient is φ = 42002066336368.

The previous prime is 42002066336353. The next prime is 42002066336567. The reversal of 42002066336369 is 96363366020024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35069314144225 + 6932752192144 = 5921935^2 + 2633012^2 .

It is a cyclic number.

It is not a de Polignac number, because 42002066336369 - 2⁴ = 42002066336353 is a prime.

It is a super-2 number, since 2×42002066336369² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42002062336369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001033168184 + 21001033168185.

It is an arithmetic number, because the mean of its divisors is an integer number (21001033168185).

Almost surely, 2^{42002066336369} is an apocalyptic number.

It is an amenable number.

42002066336369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002066336369 is an equidigital number, since it uses as much as digits as its factorization.

42002066336369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 50.

The spelling of 42002066336369 in words is "forty-two trillion, two billion, sixty-six million, three hundred thirty-six thousand, three hundred sixty-nine".