10805819 has 2 divisors, whose sum is σ = 10805820. Its totient is φ = 10805818.

The previous prime is 10805803. The next prime is 10805831. The reversal of 10805819 is 91850801.

It is a happy number.

10805819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10805819 - 2⁴ = 10805803 is a prime.

It is a super-2 number, since 2×10805819² = 233531448521522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10805849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402909 + 5402910.

It is an arithmetic number, because the mean of its divisors is an integer number (5402910).

Almost surely, 2^10805819 is an apocalyptic number.

10805819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10805819 is an equidigital number, since it uses as much as digits as its factorization.

10805819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 10805819 is about 3287.2205584658. The cubic root of 10805819 is about 221.0815816412.

The spelling of 10805819 in words is "ten million, eight hundred five thousand, eight hundred nineteen".