10938136609 has 2 divisors, whose sum is σ = 10938136610. Its totient is φ = 10938136608.

The previous prime is 10938136607. The next prime is 10938136613. The reversal of 10938136609 is 90663183901.

10938136609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8371701009 + 2566435600 = 91497^2 + 50660^2 .

It is a cyclic number.

It is not a de Polignac number, because 10938136609 - 2¹ = 10938136607 is a prime.

Together with 10938136607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10938136607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469068304 + 5469068305.

It is an arithmetic number, because the mean of its divisors is an integer number (5469068305).

Almost surely, 2^10938136609 is an apocalyptic number.

It is an amenable number.

10938136609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10938136609 is an equidigital number, since it uses as much as digits as its factorization.

10938136609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 10938136609 in words is "ten billion, nine hundred thirty-eight million, one hundred thirty-six thousand, six hundred nine".