173135231148533 has 2 divisors, whose sum is σ = 173135231148534. Its totient is φ = 173135231148532.

The previous prime is 173135231148443. The next prime is 173135231148569. The reversal of 173135231148533 is 335841132531371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172980812015089 + 154419133444 = 13152217^2 + 392962^2 .

It is a cyclic number.

It is not a de Polignac number, because 173135231148533 - 2³⁶ = 173066511671797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173135231148433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86567615574266 + 86567615574267.

It is an arithmetic number, because the mean of its divisors is an integer number (86567615574267).

Almost surely, 2^{173135231148533} is an apocalyptic number.

It is an amenable number.

173135231148533 is a deficient number, since it is larger than the sum of its proper divisors (1).

173135231148533 is an equidigital number, since it uses as much as digits as its factorization.

173135231148533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The spelling of 173135231148533 in words is "one hundred seventy-three trillion, one hundred thirty-five billion, two hundred thirty-one million, one hundred forty-eight thousand, five hundred thirty-three".