10699891 has 2 divisors, whose sum is σ = 10699892. Its totient is φ = 10699890.

The previous prime is 10699889. The next prime is 10699901. The reversal of 10699891 is 19899601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10699891 - 2¹ = 10699889 is a prime.

It is a super-2 number, since 2×10699891² = 228975334823762, which contains 22 as substring.

Together with 10699889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10699841) 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, 5349945 + 5349946.

It is an arithmetic number, because the mean of its divisors is an integer number (5349946).

Almost surely, 2^10699891 is an apocalyptic number.

10699891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10699891 is an equidigital number, since it uses as much as digits as its factorization.

10699891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 10699891 is about 3271.0687855806. The cubic root of 10699891 is about 220.3567970650.

The spelling of 10699891 in words is "ten million, six hundred ninety-nine thousand, eight hundred ninety-one".