42302684161 has 2 divisors, whose sum is σ = 42302684162. Its totient is φ = 42302684160.

The previous prime is 42302684153. The next prime is 42302684189. The reversal of 42302684161 is 16148620324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34765839936 + 7536844225 = 186456^2 + 86815^2 .

It is a cyclic number.

It is not a de Polignac number, because 42302684161 - 2³ = 42302684153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42302684161.

It is not a weakly prime, because it can be changed into another prime (42302684131) 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, 21151342080 + 21151342081.

It is an arithmetic number, because the mean of its divisors is an integer number (21151342081).

Almost surely, 2^42302684161 is an apocalyptic number.

It is an amenable number.

42302684161 is a deficient number, since it is larger than the sum of its proper divisors (1).

42302684161 is an equidigital number, since it uses as much as digits as its factorization.

42302684161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 42302684161 in words is "forty-two billion, three hundred two million, six hundred eighty-four thousand, one hundred sixty-one".