10818491 has 4 divisors (see below), whose sum is σ = 10825584. Its totient is φ = 10811400.

The previous prime is 10818481. The next prime is 10818517. The reversal of 10818491 is 19481801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10818491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10818461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (2706396).

Almost surely, 2^10818491 is an apocalyptic number.

10818491 is a deficient number, since it is larger than the sum of its proper divisors (7093).

10818491 is an equidigital number, since it uses as much as digits as its factorization.

10818491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 10818491 is about 3289.1474579289. The cubic root of 10818491 is about 221.1679687810.

The spelling of 10818491 in words is "ten million, eight hundred eighteen thousand, four hundred ninety-one".