9829809380738 has 8 divisors (see below), whose sum is σ = 14744727547788. Its totient is φ = 4914900198144.

The previous prime is 9829809380731. The next prime is 9829809380753. The reversal of 9829809380738 is 8370839089289.

9829809380738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8335271345569 + 1494538035169 = 2887087^2 + 1222513^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9829809380731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467370 + ... + 5074202.

Almost surely, 2^{9829809380738} is an apocalyptic number.

9829809380738 is a deficient number, since it is larger than the sum of its proper divisors (4914918167050).

9829809380738 is a wasteful number, since it uses less digits than its factorization.

9829809380738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492228.

The product of its (nonzero) digits is 376233984, while the sum is 74.

The spelling of 9829809380738 in words is "nine trillion, eight hundred twenty-nine billion, eight hundred nine million, three hundred eighty thousand, seven hundred thirty-eight".