173106740393 has 2 divisors, whose sum is σ = 173106740394. Its totient is φ = 173106740392.

The previous prime is 173106740383. The next prime is 173106740399. The reversal of 173106740393 is 393047601371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96442544704 + 76664195689 = 310552^2 + 276883^2 .

It is a cyclic number.

It is not a de Polignac number, because 173106740393 - 2⁴ = 173106740377 is a prime.

It is not a weakly prime, because it can be changed into another prime (173106740399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86553370196 + 86553370197.

It is an arithmetic number, because the mean of its divisors is an integer number (86553370197).

Almost surely, 2^173106740393 is an apocalyptic number.

It is an amenable number.

173106740393 is a deficient number, since it is larger than the sum of its proper divisors (1).

173106740393 is an equidigital number, since it uses as much as digits as its factorization.

173106740393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 173106740393 in words is "one hundred seventy-three billion, one hundred six million, seven hundred forty thousand, three hundred ninety-three".