42466429 has 2 divisors, whose sum is σ = 42466430. Its totient is φ = 42466428.

The previous prime is 42466421. The next prime is 42466433. The reversal of 42466429 is 92466424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 15405625 = 5202^2 + 3925^2 .

It is a cyclic number.

It is not a de Polignac number, because 42466429 - 2³ = 42466421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42466421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21233214 + 21233215.

It is an arithmetic number, because the mean of its divisors is an integer number (21233215).

Almost surely, 2^42466429 is an apocalyptic number.

It is an amenable number.

42466429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42466429 is an equidigital number, since it uses as much as digits as its factorization.

42466429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 42466429 is about 6516.6271183796. The cubic root of 42466429 is about 348.8846919173.

The spelling of 42466429 in words is "forty-two million, four hundred sixty-six thousand, four hundred twenty-nine".