10839109 has 2 divisors, whose sum is σ = 10839110. Its totient is φ = 10839108.

The previous prime is 10839107. The next prime is 10839121. The reversal of 10839109 is 90193801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 2630884 = 2865^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 10839109 - 2¹ = 10839107 is a prime.

Together with 10839107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10839107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5419554 + 5419555.

It is an arithmetic number, because the mean of its divisors is an integer number (5419555).

Almost surely, 2^10839109 is an apocalyptic number.

It is an amenable number.

10839109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10839109 is an equidigital number, since it uses as much as digits as its factorization.

10839109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10839109 is about 3292.2802128616. The cubic root of 10839109 is about 221.3083810740.

The spelling of 10839109 in words is "ten million, eight hundred thirty-nine thousand, one hundred nine".