9643238147 has 8 divisors (see below), whose sum is σ = 9791663616. Its totient is φ = 9495892552.

The previous prime is 9643238141. The next prime is 9643238149. The reversal of 9643238147 is 7418323469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9643238147 - 2¹⁸ = 9642976003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9643238141) 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, 251963 + ... + 287700.

It is an arithmetic number, because the mean of its divisors is an integer number (1223957952).

Almost surely, 2^9643238147 is an apocalyptic number.

9643238147 is a deficient number, since it is larger than the sum of its proper divisors (148425469).

9643238147 is a wasteful number, since it uses less digits than its factorization.

9643238147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539937.

The product of its digits is 870912, while the sum is 47.

The square root of 9643238147 is about 98199.9905651727. The cubic root of 9643238147 is about 2128.5031506968.

The spelling of 9643238147 in words is "nine billion, six hundred forty-three million, two hundred thirty-eight thousand, one hundred forty-seven".