173323884689 has 2 divisors, whose sum is σ = 173323884690. Its totient is φ = 173323884688.

The previous prime is 173323884647. The next prime is 173323884697. The reversal of 173323884689 is 986488323371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172197611089 + 1126273600 = 414967^2 + 33560^2 .

It is a cyclic number.

It is not a de Polignac number, because 173323884689 - 2¹⁶ = 173323819153 is a prime.

It is not a weakly prime, because it can be changed into another prime (173323889689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86661942344 + 86661942345.

It is an arithmetic number, because the mean of its divisors is an integer number (86661942345).

Almost surely, 2^173323884689 is an apocalyptic number.

It is an amenable number.

173323884689 is a deficient number, since it is larger than the sum of its proper divisors (1).

173323884689 is an equidigital number, since it uses as much as digits as its factorization.

173323884689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 62.

The spelling of 173323884689 in words is "one hundred seventy-three billion, three hundred twenty-three million, eight hundred eighty-four thousand, six hundred eighty-nine".