14681869 has 2 divisors, whose sum is σ = 14681870. Its totient is φ = 14681868.

The previous prime is 14681839. The next prime is 14681893. The reversal of 14681869 is 96818641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 619369 = 3750^2 + 787^2 .

It is an emirp because it is prime and its reverse (96818641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14681869 - 2⁵ = 14681837 is a prime.

It is a super-2 number, since 2×14681869² = 431114554666322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14681809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7340934 + 7340935.

It is an arithmetic number, because the mean of its divisors is an integer number (7340935).

Almost surely, 2^14681869 is an apocalyptic number.

It is an amenable number.

14681869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14681869 is an equidigital number, since it uses as much as digits as its factorization.

14681869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 14681869 is about 3831.6927068856. The cubic root of 14681869 is about 244.8652264444.

The spelling of 14681869 in words is "fourteen million, six hundred eighty-one thousand, eight hundred sixty-nine".