173442642401 has 8 divisors (see below), whose sum is σ = 198464583744. Its totient is φ = 148481806320.

The previous prime is 173442642367. The next prime is 173442642403. The reversal of 173442642401 is 104246244371.

173442642401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173442642401 - 2²⁶ = 173375533537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173442642403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15270230 + ... + 15281583.

It is an arithmetic number, because the mean of its divisors is an integer number (24808072968).

Almost surely, 2^173442642401 is an apocalyptic number.

It is an amenable number.

173442642401 is a deficient number, since it is larger than the sum of its proper divisors (25021941343).

173442642401 is an equidigital number, since it uses as much as digits as its factorization.

173442642401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30552631.

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 173442642401 its reverse (104246244371), we get a palindrome (277688886772).

The spelling of 173442642401 in words is "one hundred seventy-three billion, four hundred forty-two million, six hundred forty-two thousand, four hundred one".