11498909 has 2 divisors, whose sum is σ = 11498910. Its totient is φ = 11498908.

The previous prime is 11498843. The next prime is 11498911. The reversal of 11498909 is 90989411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 4502884 = 2645^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 11498909 - 2⁸ = 11498653 is a prime.

Together with 11498911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11498939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749454 + 5749455.

It is an arithmetic number, because the mean of its divisors is an integer number (5749455).

Almost surely, 2^11498909 is an apocalyptic number.

It is an amenable number.

11498909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11498909 is an equidigital number, since it uses as much as digits as its factorization.

11498909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 11498909 is about 3391.0041285731. The cubic root of 11498909 is about 225.7107336292.

The spelling of 11498909 in words is "eleven million, four hundred ninety-eight thousand, nine hundred nine".