14381669 has 2 divisors, whose sum is σ = 14381670. Its totient is φ = 14381668.

The previous prime is 14381621. The next prime is 14381681. The reversal of 14381669 is 96618341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 131044 = 3775^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 14381669 - 2⁸ = 14381413 is a prime.

It is a super-2 number, since 2×14381669² = 413664806451122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14381869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190834 + 7190835.

It is an arithmetic number, because the mean of its divisors is an integer number (7190835).

Almost surely, 2^14381669 is an apocalyptic number.

It is an amenable number.

14381669 is a deficient number, since it is larger than the sum of its proper divisors (1).

14381669 is an equidigital number, since it uses as much as digits as its factorization.

14381669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 14381669 is about 3792.3171017203. The cubic root of 14381669 is about 243.1848018712.

The spelling of 14381669 in words is "fourteen million, three hundred eighty-one thousand, six hundred sixty-nine".