42941189 has 2 divisors, whose sum is σ = 42941190. Its totient is φ = 42941188.

The previous prime is 42941177. The next prime is 42941191. The reversal of 42941189 is 98114924.

42941189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 2402500 = 6367^2 + 1550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42941189 is a prime.

Together with 42941191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42941089) 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, 21470594 + 21470595.

It is an arithmetic number, because the mean of its divisors is an integer number (21470595).

Almost surely, 2^42941189 is an apocalyptic number.

It is an amenable number.

42941189 is a deficient number, since it is larger than the sum of its proper divisors (1).

42941189 is an equidigital number, since it uses as much as digits as its factorization.

42941189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 42941189 is about 6552.9526932521. The cubic root of 42941189 is about 350.1800135212.

The spelling of 42941189 in words is "forty-two million, nine hundred forty-one thousand, one hundred eighty-nine".