173728320647413 has 8 divisors (see below), whose sum is σ = 204951382883840. Its totient is φ = 144106441089840.

The previous prime is 173728320647377. The next prime is 173728320647603. The reversal of 173728320647413 is 314746023827371.

173728320647413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173728320647413 - 2⁹ = 173728320646901 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 (173728320647113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400295669478 + ... + 400295669911.

It is an arithmetic number, because the mean of its divisors is an integer number (25618922860480).

Almost surely, 2^{173728320647413} is an apocalyptic number.

It is an amenable number.

173728320647413 is a deficient number, since it is larger than the sum of its proper divisors (31223062236427).

173728320647413 is an equidigital number, since it uses as much as digits as its factorization.

173728320647413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800591339427.

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 173728320647413 in words is "one hundred seventy-three trillion, seven hundred twenty-eight billion, three hundred twenty million, six hundred forty-seven thousand, four hundred thirteen".