173349448765901 has 2 divisors, whose sum is σ = 173349448765902. Its totient is φ = 173349448765900.

The previous prime is 173349448765853. The next prime is 173349448765921. The reversal of 173349448765901 is 109567844943371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137018379085225 + 36331069680676 = 11705485^2 + 6027526^2 .

It is an emirp because it is prime and its reverse (109567844943371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173349448765901 - 2¹⁸ = 173349448503757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173349448765921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86674724382950 + 86674724382951.

It is an arithmetic number, because the mean of its divisors is an integer number (86674724382951).

Almost surely, 2^{173349448765901} is an apocalyptic number.

It is an amenable number.

173349448765901 is a deficient number, since it is larger than the sum of its proper divisors (1).

173349448765901 is an equidigital number, since it uses as much as digits as its factorization.

173349448765901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548674560, while the sum is 71.

The spelling of 173349448765901 in words is "one hundred seventy-three trillion, three hundred forty-nine billion, four hundred forty-eight million, seven hundred sixty-five thousand, nine hundred one".