9118210109493 has 4 divisors (see below), whose sum is σ = 12157613479328. Its totient is φ = 6078806739660.

The previous prime is 9118210109471. The next prime is 9118210109501. The reversal of 9118210109493 is 3949010128119.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9118210109493 - 2¹² = 9118210105397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9118210109093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519701684913 + ... + 1519701684918.

It is an arithmetic number, because the mean of its divisors is an integer number (3039403369832).

Almost surely, 2^{9118210109493} is an apocalyptic number.

It is an amenable number.

9118210109493 is a deficient number, since it is larger than the sum of its proper divisors (3039403369835).

9118210109493 is a wasteful number, since it uses less digits than its factorization.

9118210109493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039403369834.

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 9118210109493 in words is "nine trillion, one hundred eighteen billion, two hundred ten million, one hundred nine thousand, four hundred ninety-three".