10699889 has 2 divisors, whose sum is σ = 10699890. Its totient is φ = 10699888.

The previous prime is 10699861. The next prime is 10699891. The reversal of 10699889 is 98899601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 3301489 = 2720^2 + 1817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10699889 is a prime.

It is a super-2 number, since 2×10699889² = 228975249224642, which contains 22 as substring.

Together with 10699891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10699859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5349944 + 5349945.

It is an arithmetic number, because the mean of its divisors is an integer number (5349945).

Almost surely, 2^10699889 is an apocalyptic number.

It is an amenable number.

10699889 is a deficient number, since it is larger than the sum of its proper divisors (1).

10699889 is an equidigital number, since it uses as much as digits as its factorization.

10699889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 10699889 is about 3271.0684798701. The cubic root of 10699889 is about 220.3567833355.

The spelling of 10699889 in words is "ten million, six hundred ninety-nine thousand, eight hundred eighty-nine".