9985269242 has 32 divisors (see below), whose sum is σ = 16196785920. Its totient is φ = 4589570880.

The previous prime is 9985269221. The next prime is 9985269247. The reversal of 9985269242 is 2429625899.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9985269247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917168 + ... + 12917940.

It is an arithmetic number, because the mean of its divisors is an integer number (506149560).

Almost surely, 2^9985269242 is an apocalyptic number.

9985269242 is a deficient number, since it is larger than the sum of its proper divisors (6211516678).

9985269242 is a wasteful number, since it uses less digits than its factorization.

9985269242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its digits is 5598720, while the sum is 56.

The square root of 9985269242 is about 99926.3190655995. The cubic root of 9985269242 is about 2153.3762882914.

The spelling of 9985269242 in words is "nine billion, nine hundred eighty-five million, two hundred sixty-nine thousand, two hundred forty-two".