9849933638 has 8 divisors (see below), whose sum is σ = 14841156288. Its totient is φ = 4902881544.

The previous prime is 9849933629. The next prime is 9849933661. The reversal of 9849933638 is 8363399489.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11042081 + ... + 11042972.

It is an arithmetic number, because the mean of its divisors is an integer number (1855144536).

Almost surely, 2^9849933638 is an apocalyptic number.

9849933638 is a deficient number, since it is larger than the sum of its proper divisors (4991222650).

9849933638 is a wasteful number, since it uses less digits than its factorization.

9849933638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085278.

The product of its digits is 30233088, while the sum is 62.

The square root of 9849933638 is about 99246.8318789068. The cubic root of 9849933638 is about 2143.6033883103.

The spelling of 9849933638 in words is "nine billion, eight hundred forty-nine million, nine hundred thirty-three thousand, six hundred thirty-eight".