10899689 has 2 divisors, whose sum is σ = 10899690. Its totient is φ = 10899688.

The previous prime is 10899671. The next prime is 10899697. The reversal of 10899689 is 98699801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 369664 = 3245^2 + 608^2 .

It is an emirp because it is prime and its reverse (98699801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10899689 - 2¹² = 10895593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10899649) 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, 5449844 + 5449845.

It is an arithmetic number, because the mean of its divisors is an integer number (5449845).

Almost surely, 2^10899689 is an apocalyptic number.

It is an amenable number.

10899689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10899689 is an equidigital number, since it uses as much as digits as its factorization.

10899689 is an odious number, because the sum of its binary digits is odd.

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

The square root of 10899689 is about 3301.4677039159. The cubic root of 10899689 is about 221.7199143442.

The spelling of 10899689 in words is "ten million, eight hundred ninety-nine thousand, six hundred eighty-nine".