173575232489 has 2 divisors, whose sum is σ = 173575232490. Its totient is φ = 173575232488.

The previous prime is 173575232483. The next prime is 173575232521. The reversal of 173575232489 is 984232575371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116199174400 + 57376058089 = 340880^2 + 239533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173575232489 is a prime.

It is a super-2 number, since 2×173575232489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (173575232483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86787616244 + 86787616245.

It is an arithmetic number, because the mean of its divisors is an integer number (86787616245).

Almost surely, 2^173575232489 is an apocalyptic number.

It is an amenable number.

173575232489 is a deficient number, since it is larger than the sum of its proper divisors (1).

173575232489 is an equidigital number, since it uses as much as digits as its factorization.

173575232489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 56.

The spelling of 173575232489 in words is "one hundred seventy-three billion, five hundred seventy-five million, two hundred thirty-two thousand, four hundred eighty-nine".