10856669 has 2 divisors, whose sum is σ = 10856670. Its totient is φ = 10856668.

The previous prime is 10856653. The next prime is 10856711. The reversal of 10856669 is 96665801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 131044 = 3275^2 + 362^2 .

It is an emirp because it is prime and its reverse (96665801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10856669 - 2⁴ = 10856653 is a prime.

It is a super-2 number, since 2×10856669² = 235734523551122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10856639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428334 + 5428335.

It is an arithmetic number, because the mean of its divisors is an integer number (5428335).

Almost surely, 2^10856669 is an apocalyptic number.

It is an amenable number.

10856669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10856669 is an equidigital number, since it uses as much as digits as its factorization.

10856669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 10856669 is about 3294.9459783128. The cubic root of 10856669 is about 221.4278274986.

The spelling of 10856669 in words is "ten million, eight hundred fifty-six thousand, six hundred sixty-nine".