14668649 has 2 divisors, whose sum is σ = 14668650. Its totient is φ = 14668648.

The previous prime is 14668583. The next prime is 14668663. The reversal of 14668649 is 94686641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12652249 + 2016400 = 3557^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 14668649 - 2⁸ = 14668393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14668669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7334324 + 7334325.

It is an arithmetic number, because the mean of its divisors is an integer number (7334325).

Almost surely, 2^14668649 is an apocalyptic number.

It is an amenable number.

14668649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14668649 is an equidigital number, since it uses as much as digits as its factorization.

14668649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 14668649 is about 3829.9672322358. The cubic root of 14668649 is about 244.7917096830.

The spelling of 14668649 in words is "fourteen million, six hundred sixty-eight thousand, six hundred forty-nine".