9647111142 has 48 divisors (see below), whose sum is σ = 22207348800. Its totient is φ = 3016187136.

The previous prime is 9647111107. The next prime is 9647111161. The reversal of 9647111142 is 2411117469.

9647111142 is a `hidden beast` number, since 9 + 647 + 1 + 1 + 1 + 1 + 4 + 2 = 666.

It is a super-2 number, since 2×9647111142² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9647111097 and 9647111106.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 35859 + ... + 143457.

It is an arithmetic number, because the mean of its divisors is an integer number (462653100).

Almost surely, 2^9647111142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9647111142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11103674400).

9647111142 is an abundant number, since it is smaller than the sum of its proper divisors (12560237658).

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

9647111142 is a wasteful number, since it uses less digits than its factorization.

9647111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107917 (or 107914 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 9647111142 is about 98219.7085212535. The cubic root of 9647111142 is about 2128.7880680848.

It can be divided in two parts, 964 and 7111142, that added together give a triangular number (7112106 = T₃₇₇₁).

The spelling of 9647111142 in words is "nine billion, six hundred forty-seven million, one hundred eleven thousand, one hundred forty-two".