9856742746 has 8 divisors (see below), whose sum is σ = 15563278080. Its totient is φ = 4668983388.

The previous prime is 9856742743. The next prime is 9856742789. The reversal of 9856742746 is 6472476589.

It is a happy number.

9856742746 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 not an unprimeable number, because it can be changed into a prime (9856742743) by changing a digit.

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, 129693946 + ... + 129694021.

It is an arithmetic number, because the mean of its divisors is an integer number (1945409760).

Almost surely, 2^9856742746 is an apocalyptic number.

9856742746 is a deficient number, since it is larger than the sum of its proper divisors (5706535334).

9856742746 is a wasteful number, since it uses less digits than its factorization.

9856742746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259387988.

The product of its digits is 20321280, while the sum is 58.

The square root of 9856742746 is about 99281.1298585990. The cubic root of 9856742746 is about 2144.0972212460.

The spelling of 9856742746 in words is "nine billion, eight hundred fifty-six million, seven hundred forty-two thousand, seven hundred forty-six".