842082169 has 4 divisors (see below), whose sum is σ = 842402944. Its totient is φ = 841761396.

The previous prime is 842082113. The next prime is 842082181. The reversal of 842082169 is 961280248.

842082169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 842082169 - 2²¹ = 839985017 is a prime.

It is a super-2 number, since 2×842082169² = 1418204758695489122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842082469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156417 + ... + 161710.

It is an arithmetic number, because the mean of its divisors is an integer number (210600736).

Almost surely, 2^842082169 is an apocalyptic number.

It is an amenable number.

842082169 is a deficient number, since it is larger than the sum of its proper divisors (320775).

842082169 is a wasteful number, since it uses less digits than its factorization.

842082169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320774.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 842082169 is about 29018.6520879244. The cubic root of 842082169 is about 944.3177588378.

The spelling of 842082169 in words is "eight hundred forty-two million, eighty-two thousand, one hundred sixty-nine".