14649909 has 4 divisors (see below), whose sum is σ = 19533216. Its totient is φ = 9766604.

The previous prime is 14649907. The next prime is 14649911. The reversal of 14649909 is 90994641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (14649907) and next prime (14649911).

It is a cyclic number.

It is not a de Polignac number, because 14649909 - 2¹ = 14649907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14649907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441649 + ... + 2441654.

It is an arithmetic number, because the mean of its divisors is an integer number (4883304).

Almost surely, 2^14649909 is an apocalyptic number.

It is an amenable number.

14649909 is a deficient number, since it is larger than the sum of its proper divisors (4883307).

14649909 is an equidigital number, since it uses as much as digits as its factorization.

14649909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883306.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 14649909 is about 3827.5199542262. The cubic root of 14649909 is about 244.6874203337.

The spelling of 14649909 in words is "fourteen million, six hundred forty-nine thousand, nine hundred nine".