173845019973 has 8 divisors (see below), whose sum is σ = 233328415936. Its totient is φ = 115129152000.

The previous prime is 173845019893. The next prime is 173845019989. The reversal of 173845019973 is 379910548371.

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

It is not a de Polignac number, because 173845019973 - 2¹⁷ = 173844888901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173845019993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191881468 + ... + 191882373.

It is an arithmetic number, because the mean of its divisors is an integer number (29166051992).

Almost surely, 2^173845019973 is an apocalyptic number.

It is an amenable number.

173845019973 is a deficient number, since it is larger than the sum of its proper divisors (59483395963).

173845019973 is a wasteful number, since it uses less digits than its factorization.

173845019973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383763995.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 173845019973 in words is "one hundred seventy-three billion, eight hundred forty-five million, nineteen thousand, nine hundred seventy-three".