869424163 has 2 divisors, whose sum is σ = 869424164. Its totient is φ = 869424162.

The previous prime is 869424161. The next prime is 869424191. The reversal of 869424163 is 361424968.

It is a happy number.

869424163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869424163 - 2¹ = 869424161 is a prime.

Together with 869424161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (869424161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434712081 + 434712082.

It is an arithmetic number, because the mean of its divisors is an integer number (434712082).

Almost surely, 2^869424163 is an apocalyptic number.

869424163 is a deficient number, since it is larger than the sum of its proper divisors (1).

869424163 is an equidigital number, since it uses as much as digits as its factorization.

869424163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 869424163 is about 29485.9994404124. Note that the first 3 decimals coincide. The cubic root of 869424163 is about 954.4296048376.

It can be divided in two parts, 86 and 9424163, that added together give a palindrome (9424249).

The spelling of 869424163 in words is "eight hundred sixty-nine million, four hundred twenty-four thousand, one hundred sixty-three".