9849629638 has 8 divisors (see below), whose sum is σ = 14982535440. Its totient is φ = 4855451160.

The previous prime is 9849629627. The next prime is 9849629663. The reversal of 9849629638 is 8369269489.

9849629638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×9849629638² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9849629638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34681653 + ... + 34681936.

It is an arithmetic number, because the mean of its divisors is an integer number (1872816930).

Almost surely, 2^9849629638 is an apocalyptic number.

9849629638 is a deficient number, since it is larger than the sum of its proper divisors (5132905802).

9849629638 is a wasteful number, since it uses less digits than its factorization.

9849629638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69363662.

The product of its digits is 40310784, while the sum is 64.

The square root of 9849629638 is about 99245.3003320560. The cubic root of 9849629638 is about 2143.5813352976.

The spelling of 9849629638 in words is "nine billion, eight hundred forty-nine million, six hundred twenty-nine thousand, six hundred thirty-eight".