9973908173 has 8 divisors (see below), whose sum is σ = 10223599680. Its totient is φ = 9724522720.

The previous prime is 9973908157. The next prime is 9973908239. The reversal of 9973908173 is 3718093799.

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 9973908173 - 2⁴ = 9973908157 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 (9973908673) 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, 9803 + ... + 141576.

It is an arithmetic number, because the mean of its divisors is an integer number (1277949960).

Almost surely, 2^9973908173 is an apocalyptic number.

It is an amenable number.

9973908173 is a deficient number, since it is larger than the sum of its proper divisors (249691507).

9973908173 is a wasteful number, since it uses less digits than its factorization.

9973908173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153027.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The square root of 9973908173 is about 99869.4556558711. The cubic root of 9973908173 is about 2152.5592867545.

The spelling of 9973908173 in words is "nine billion, nine hundred seventy-three million, nine hundred eight thousand, one hundred seventy-three".