10409689 has 2 divisors, whose sum is σ = 10409690. Its totient is φ = 10409688.

The previous prime is 10409681. The next prime is 10409699. The reversal of 10409689 is 98690401.

10409689 is digitally balanced in base 3, 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., 7382089 + 3027600 = 2717^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 10409689 - 2³ = 10409681 is a prime.

It is a super-4 number, since 4×10409689⁴ (a number of 29 digits) contains 4444 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10409681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5204844 + 5204845.

It is an arithmetic number, because the mean of its divisors is an integer number (5204845).

Almost surely, 2^10409689 is an apocalyptic number.

It is an amenable number.

10409689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10409689 is an equidigital number, since it uses as much as digits as its factorization.

10409689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 10409689 is about 3226.4049652826. The cubic root of 10409689 is about 218.3463408653.

The spelling of 10409689 in words is "ten million, four hundred nine thousand, six hundred eighty-nine".