11689049 has 2 divisors, whose sum is σ = 11689050. Its totient is φ = 11689048.

The previous prime is 11689039. The next prime is 11689063. The reversal of 11689049 is 94098611.

It is a happy number.

11689049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 1243225 = 3232^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 11689049 - 2⁸ = 11688793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11689039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5844524 + 5844525.

It is an arithmetic number, because the mean of its divisors is an integer number (5844525).

Almost surely, 2^11689049 is an apocalyptic number.

It is an amenable number.

11689049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11689049 is an equidigital number, since it uses as much as digits as its factorization.

11689049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 11689049 is about 3418.9251234855. The cubic root of 11689049 is about 226.9480173620.

The spelling of 11689049 in words is "eleven million, six hundred eighty-nine thousand, forty-nine".