42089963 has 2 divisors, whose sum is σ = 42089964. Its totient is φ = 42089962.

The previous prime is 42089917. The next prime is 42090017. The reversal of 42089963 is 36998024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42089963 - 2⁶ = 42089899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42089963.

It is not a weakly prime, because it can be changed into another prime (42089363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21044981 + 21044982.

It is an arithmetic number, because the mean of its divisors is an integer number (21044982).

Almost surely, 2^42089963 is an apocalyptic number.

42089963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42089963 is an equidigital number, since it uses as much as digits as its factorization.

42089963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 42089963 is about 6487.6777817644. The cubic root of 42089963 is about 347.8506730404.

The spelling of 42089963 in words is "forty-two million, eighty-nine thousand, nine hundred sixty-three".