9142471368 has 72 divisors (see below), whose sum is σ = 24930400950. Its totient is φ = 3026764800.

The previous prime is 9142471339. The next prime is 9142471369. The reversal of 9142471368 is 8631742419.

9142471368 is a `hidden beast` number, since 9 + 142 + 471 + 36 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8708249124 + 434222244 = 93318^2 + 20838^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (9142471369) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1638888 + ... + 1644456.

Almost surely, 2^9142471368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9142471368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12465200475).

9142471368 is an abundant number, since it is smaller than the sum of its proper divisors (15787929582).

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

9142471368 is a wasteful number, since it uses less digits than its factorization.

9142471368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883 (or 5725 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 9142471368 is about 95616.2714604580. The cubic root of 9142471368 is about 2091.0024241323.

The spelling of 9142471368 in words is "nine billion, one hundred forty-two million, four hundred seventy-one thousand, three hundred sixty-eight".