29669 has 2 divisors, whose sum is σ = 29670. Its totient is φ = 29668.

The previous prime is 29663. The next prime is 29671. The reversal of 29669 is 96692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16900 + 12769 = 130^2 + 113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29669 is a prime.

It is a super-2 number, since 2×29669² = 1760499122, which contains 22 as substring.

Together with 29671, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14834 + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (14835).

2²⁹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

29669 is a deficient number, since it is larger than the sum of its proper divisors (1).

29669 is an equidigital number, since it uses as much as digits as its factorization.

29669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 29669 is about 172.2469157924. The cubic root of 29669 is about 30.9576250718.

The spelling of 29669 in words is "twenty-nine thousand, six hundred sixty-nine".