9917242433272 has 32 divisors (see below), whose sum is σ = 18759598347600. Its totient is φ = 4914775091200.

The previous prime is 9917242433251. The next prime is 9917242433281. The reversal of 9917242433272 is 2723342427199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4902697 + ... + 6623512.

Almost surely, 2^{9917242433272} is an apocalyptic number.

It is an amenable number.

9917242433272 is a deficient number, since it is larger than the sum of its proper divisors (8842355914328).

9917242433272 is a wasteful number, since it uses less digits than its factorization.

9917242433272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527167 (or 11527163 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 55.

The spelling of 9917242433272 in words is "nine trillion, nine hundred seventeen billion, two hundred forty-two million, four hundred thirty-three thousand, two hundred seventy-two".