173144253748069 has 2 divisors, whose sum is σ = 173144253748070. Its totient is φ = 173144253748068.

The previous prime is 173144253748019. The next prime is 173144253748079. The reversal of 173144253748069 is 960847352441371.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162867035991969 + 10277217756100 = 12761937^2 + 3205810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173144253748069 is a prime.

It is a super-2 number, since 2×173144253748069² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 173144253748069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173144253748019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86572126874034 + 86572126874035.

It is an arithmetic number, because the mean of its divisors is an integer number (86572126874035).

It is a 2-persistent number, because it is pandigital, and so is 2⋅173144253748069 = 346288507496138, but 3⋅173144253748069 = 519432761244207 is not.

Almost surely, 2^{173144253748069} is an apocalyptic number.

It is an amenable number.

173144253748069 is a deficient number, since it is larger than the sum of its proper divisors (1).

173144253748069 is an equidigital number, since it uses as much as digits as its factorization.

173144253748069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 173144253748069 in words is "one hundred seventy-three trillion, one hundred forty-four billion, two hundred fifty-three million, seven hundred forty-eight thousand, sixty-nine".