173045717473 has 4 divisors (see below), whose sum is σ = 177070036528. Its totient is φ = 169021398420.

The previous prime is 173045717459. The next prime is 173045717531. The reversal of 173045717473 is 374717540371.

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 173045717473 - 2¹⁷ = 173045586401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173045717413) 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, 2012159463 + ... + 2012159548.

It is an arithmetic number, because the mean of its divisors is an integer number (44267509132).

Almost surely, 2^173045717473 is an apocalyptic number.

It is an amenable number.

173045717473 is a deficient number, since it is larger than the sum of its proper divisors (4024319055).

173045717473 is an equidigital number, since it uses as much as digits as its factorization.

173045717473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024319054.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 173045717473 in words is "one hundred seventy-three billion, forty-five million, seven hundred seventeen thousand, four hundred seventy-three".