10816409 has 2 divisors, whose sum is σ = 10816410. Its totient is φ = 10816408.

The previous prime is 10816387. The next prime is 10816441. The reversal of 10816409 is 90461801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 2131600 = 2947^2 + 1460^2 .

It is an emirp because it is prime and its reverse (90461801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10816409 - 2⁸ = 10816153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10816499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5408204 + 5408205.

It is an arithmetic number, because the mean of its divisors is an integer number (5408205).

Almost surely, 2^10816409 is an apocalyptic number.

It is an amenable number.

10816409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10816409 is an equidigital number, since it uses as much as digits as its factorization.

10816409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10816409 is about 3288.8309473124. The cubic root of 10816409 is about 221.1537800723.

The spelling of 10816409 in words is "ten million, eight hundred sixteen thousand, four hundred nine".