9391038312193 has 8 divisors (see below), whose sum is σ = 9847947594600. Its totient is φ = 8943001054848.

The previous prime is 9391038312167. The next prime is 9391038312211. The reversal of 9391038312193 is 3912138301939.

It can be written as a sum of positive squares in 4 ways, for example, as 90539004609 + 9300499307584 = 300897^2 + 3049672^2 .

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-9391038312193 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 9391038312193.

It is not an unprimeable number, because it can be changed into a prime (9391038312113) 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, 2218004098 + ... + 2218008331.

It is an arithmetic number, because the mean of its divisors is an integer number (1230993449325).

Almost surely, 2^{9391038312193} is an apocalyptic number.

It is an amenable number.

9391038312193 is a deficient number, since it is larger than the sum of its proper divisors (456909282407).

9391038312193 is a wasteful number, since it uses less digits than its factorization.

9391038312193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436012531.

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 9391038312193 in words is "nine trillion, three hundred ninety-one billion, thirty-eight million, three hundred twelve thousand, one hundred ninety-three".