10917649 has 2 divisors, whose sum is σ = 10917650. Its totient is φ = 10917648.

The previous prime is 10917631. The next prime is 10917679. The reversal of 10917649 is 94671901.

10917649 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., 10595025 + 322624 = 3255^2 + 568^2 .

It is an emirp because it is prime and its reverse (94671901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10917649 - 2²³ = 2529041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10917619) 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, 5458824 + 5458825.

It is an arithmetic number, because the mean of its divisors is an integer number (5458825).

Almost surely, 2^10917649 is an apocalyptic number.

It is an amenable number.

10917649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10917649 is an equidigital number, since it uses as much as digits as its factorization.

10917649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10917649 is about 3304.1865867411. The cubic root of 10917649 is about 221.8416274345.

It can be divided in two parts, 109 and 17649, that multiplied together give a triangular number (1923741 = T₁₉₆₁).

The spelling of 10917649 in words is "ten million, nine hundred seventeen thousand, six hundred forty-nine".