9439201243 has 8 divisors (see below), whose sum is σ = 9647507520. Its totient is φ = 9231206400.

The previous prime is 9439201231. The next prime is 9439201259. The reversal of 9439201243 is 3421029349.

9439201243 is digitally balanced in base 3, 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9439201243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9439201283) 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, 16038 + ... + 138331.

It is an arithmetic number, because the mean of its divisors is an integer number (1205938440).

Almost surely, 2^9439201243 is an apocalyptic number.

9439201243 is a deficient number, since it is larger than the sum of its proper divisors (208306277).

9439201243 is a wasteful number, since it uses less digits than its factorization.

9439201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155717.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 9439201243 is about 97155.5517868125. The cubic root of 9439201243 is about 2113.3839998009.

The spelling of 9439201243 in words is "nine billion, four hundred thirty-nine million, two hundred one thousand, two hundred forty-three".