29645129 has 2 divisors, whose sum is σ = 29645130. Its totient is φ = 29645128.

The previous prime is 29645123. The next prime is 29645131. The reversal of 29645129 is 92154692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 51529 = 5440^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 29645129 - 2⁴ = 29645113 is a prime.

Together with 29645131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29645092 and 29645101.

It is not a weakly prime, because it can be changed into another prime (29645123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14822564 + 14822565.

It is an arithmetic number, because the mean of its divisors is an integer number (14822565).

Almost surely, 2^29645129 is an apocalyptic number.

It is an amenable number.

29645129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29645129 is an equidigital number, since it uses as much as digits as its factorization.

29645129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 29645129 is about 5444.7340614579. The cubic root of 29645129 is about 309.4932024470.

The spelling of 29645129 in words is "twenty-nine million, six hundred forty-five thousand, one hundred twenty-nine".