9375216091 has 4 divisors (see below), whose sum is σ = 9424301184. Its totient is φ = 9326131000.

The previous prime is 9375216061. The next prime is 9375216127. The reversal of 9375216091 is 1906125739.

9375216091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1906125739 = 7 ⋅272303677.

It is a cyclic number.

It is not a de Polignac number, because 9375216091 - 2²¹ = 9373118939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9375216031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24542260 + ... + 24542641.

It is an arithmetic number, because the mean of its divisors is an integer number (2356075296).

Almost surely, 2^9375216091 is an apocalyptic number.

9375216091 is a deficient number, since it is larger than the sum of its proper divisors (49085093).

9375216091 is a wasteful number, since it uses less digits than its factorization.

9375216091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49085092.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 9375216091 is about 96825.6995378810. The cubic root of 9375216091 is about 2108.5978638595.

The spelling of 9375216091 in words is "nine billion, three hundred seventy-five million, two hundred sixteen thousand, ninety-one".