442160386169 has 2 divisors, whose sum is σ = 442160386170. Its totient is φ = 442160386168.

The previous prime is 442160386163. The next prime is 442160386219. The reversal of 442160386169 is 961683061244.

It is an a-pointer prime, because the next prime (442160386219) can be obtained adding 442160386169 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408304386169 + 33856000000 = 638987^2 + 184000^2 .

It is a cyclic number.

It is not a de Polignac number, because 442160386169 - 2²⁰ = 442159337593 is a prime.

It is a super-2 number, since 2×442160386169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442160386163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221080193084 + 221080193085.

It is an arithmetic number, because the mean of its divisors is an integer number (221080193085).

Almost surely, 2^442160386169 is an apocalyptic number.

It is an amenable number.

442160386169 is a deficient number, since it is larger than the sum of its proper divisors (1).

442160386169 is an equidigital number, since it uses as much as digits as its factorization.

442160386169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 442160386169 in words is "four hundred forty-two billion, one hundred sixty million, three hundred eighty-six thousand, one hundred sixty-nine".