9917830694 has 4 divisors (see below), whose sum is σ = 14876746044. Its totient is φ = 4958915346.

The previous prime is 9917830639. The next prime is 9917830739. The reversal of 9917830694 is 4960387199.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2479457672 + ... + 2479457675.

It is an arithmetic number, because the mean of its divisors is an integer number (3719186511).

Almost surely, 2^9917830694 is an apocalyptic number.

9917830694 is a deficient number, since it is larger than the sum of its proper divisors (4958915350).

9917830694 is a wasteful number, since it uses less digits than its factorization.

9917830694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958915349.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 9917830694 is about 99588.3060102942. The cubic root of 9917830694 is about 2148.5175065104.

The spelling of 9917830694 in words is "nine billion, nine hundred seventeen million, eight hundred thirty thousand, six hundred ninety-four".