11642429 has 2 divisors, whose sum is σ = 11642430. Its totient is φ = 11642428.

The previous prime is 11642419. The next prime is 11642443. The reversal of 11642429 is 92424611.

11642429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 765625 = 3298^2 + 875^2 .

It is an emirp because it is prime and its reverse (92424611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11642429 - 2²⁰ = 10593853 is a prime.

It is a Chen prime.

It is equal to p₇₆₆₀₈₂ and since 11642429 and 766082 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11642419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821214 + 5821215.

It is an arithmetic number, because the mean of its divisors is an integer number (5821215).

Almost surely, 2^11642429 is an apocalyptic number.

It is an amenable number.

11642429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11642429 is an equidigital number, since it uses as much as digits as its factorization.

11642429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 11642429 is about 3412.1003795316. The cubic root of 11642429 is about 226.6458994334.

The spelling of 11642429 in words is "eleven million, six hundred forty-two thousand, four hundred twenty-nine".