873544062173 has 2 divisors, whose sum is σ = 873544062174. Its totient is φ = 873544062172.

The previous prime is 873544062163. The next prime is 873544062257. The reversal of 873544062173 is 371260445378.

873544062173 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 can be written as a sum of positive squares in only one way, i.e., 595733898244 + 277810163929 = 771838^2 + 527077^2 .

It is a cyclic number.

It is not a de Polignac number, because 873544062173 - 2⁶ = 873544062109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873544062113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436772031086 + 436772031087.

It is an arithmetic number, because the mean of its divisors is an integer number (436772031087).

Almost surely, 2^873544062173 is an apocalyptic number.

It is an amenable number.

873544062173 is a deficient number, since it is larger than the sum of its proper divisors (1).

873544062173 is an equidigital number, since it uses as much as digits as its factorization.

873544062173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 873544062173 in words is "eight hundred seventy-three billion, five hundred forty-four million, sixty-two thousand, one hundred seventy-three".