169804928873 has 2 divisors, whose sum is σ = 169804928874. Its totient is φ = 169804928872.

The previous prime is 169804928863. The next prime is 169804928879. The reversal of 169804928873 is 378829408961.

It is a happy number.

169804928873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118440599104 + 51364329769 = 344152^2 + 226637^2 .

It is a cyclic number.

It is not a de Polignac number, because 169804928873 - 2⁴ = 169804928857 is a prime.

It is not a weakly prime, because it can be changed into another prime (169804928879) 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, 84902464436 + 84902464437.

It is an arithmetic number, because the mean of its divisors is an integer number (84902464437).

Almost surely, 2^169804928873 is an apocalyptic number.

It is an amenable number.

169804928873 is a deficient number, since it is larger than the sum of its proper divisors (1).

169804928873 is an equidigital number, since it uses as much as digits as its factorization.

169804928873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 169804928873 in words is "one hundred sixty-nine billion, eight hundred four million, nine hundred twenty-eight thousand, eight hundred seventy-three".