173742171013 has 4 divisors (see below), whose sum is σ = 173758844160. Its totient is φ = 173725497868.

The previous prime is 173742170993. The next prime is 173742171023. The reversal of 173742171013 is 310171247371.

173742171013 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, and also an emirpimes, since its reverse is a distinct semiprime: 310171247371 = 151 ⋅2054114221.

It is a cyclic number.

It is not a de Polignac number, because 173742171013 - 2³³ = 165152236421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173742171023) 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 in 3 ways as a sum of consecutive naturals, for example, 8320933 + ... + 8341786.

It is an arithmetic number, because the mean of its divisors is an integer number (43439711040).

Almost surely, 2^173742171013 is an apocalyptic number.

It is an amenable number.

173742171013 is a deficient number, since it is larger than the sum of its proper divisors (16673147).

173742171013 is a wasteful number, since it uses less digits than its factorization.

173742171013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673146.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 173742171013 in words is "one hundred seventy-three billion, seven hundred forty-two million, one hundred seventy-one thousand, thirteen".