9681803238 has 16 divisors (see below), whose sum is σ = 19555326576. Its totient is φ = 3195314400.

The previous prime is 9681803233. The next prime is 9681803239. The reversal of 9681803238 is 8323081869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681803231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7987681 + ... + 7988892.

It is an arithmetic number, because the mean of its divisors is an integer number (1222207911).

Almost surely, 2^9681803238 is an apocalyptic number.

9681803238 is an abundant number, since it is smaller than the sum of its proper divisors (9873523338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9681803238 is a wasteful number, since it uses less digits than its factorization.

9681803238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15976679.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 9681803238 is about 98396.1545894960. The cubic root of 9681803238 is about 2131.3368023997.

The spelling of 9681803238 in words is "nine billion, six hundred eighty-one million, eight hundred three thousand, two hundred thirty-eight".