9438143197 has 8 divisors (see below), whose sum is σ = 10852625216. Its totient is φ = 8040205152.

The previous prime is 9438143167. The next prime is 9438143233. The reversal of 9438143197 is 7913418349.

9438143197 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 a de Polignac number, because 9438143197 - 2¹⁹ = 9437618909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9438143197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438143167) 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 7 ways as a sum of consecutive naturals, for example, 4134768 + ... + 4137049.

It is an arithmetic number, because the mean of its divisors is an integer number (1356578152).

Almost surely, 2^9438143197 is an apocalyptic number.

It is an amenable number.

9438143197 is a deficient number, since it is larger than the sum of its proper divisors (1414482019).

9438143197 is a wasteful number, since it uses less digits than its factorization.

9438143197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271987.

The product of its digits is 653184, while the sum is 49.

The square root of 9438143197 is about 97150.1065207857. The cubic root of 9438143197 is about 2113.3050333367.

The spelling of 9438143197 in words is "nine billion, four hundred thirty-eight million, one hundred forty-three thousand, one hundred ninety-seven".