173091449442 has 8 divisors (see below), whose sum is σ = 346182898896. Its totient is φ = 57697149812.

The previous prime is 173091449413. The next prime is 173091449467. The reversal of 173091449442 is 244944190371.

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

173091449442 is an admirable number.

It is a super-2 number, since 2×173091449442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 173091449391 and 173091449400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14424287448 + ... + 14424287459.

It is an arithmetic number, because the mean of its divisors is an integer number (43272862362).

Almost surely, 2^173091449442 is an apocalyptic number.

173091449442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173091449442 is a wasteful number, since it uses less digits than its factorization.

173091449442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28848574912.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 173091449442 in words is "one hundred seventy-three billion, ninety-one million, four hundred forty-nine thousand, four hundred forty-two".