10689859 has 2 divisors, whose sum is σ = 10689860. Its totient is φ = 10689858.

The previous prime is 10689853. The next prime is 10689863. The reversal of 10689859 is 95898601.

It is a strong prime.

It is an emirp because it is prime and its reverse (95898601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10689859 - 2⁵ = 10689827 is a prime.

It is a super-2 number, since 2×10689859² = 228546170879762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10689853) 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, 5344929 + 5344930.

It is an arithmetic number, because the mean of its divisors is an integer number (5344930).

Almost surely, 2^10689859 is an apocalyptic number.

10689859 is a deficient number, since it is larger than the sum of its proper divisors (1).

10689859 is an equidigital number, since it uses as much as digits as its factorization.

10689859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 10689859 is about 3269.5349822261. The cubic root of 10689859 is about 220.2879081818.

The spelling of 10689859 in words is "ten million, six hundred eighty-nine thousand, eight hundred fifty-nine".