42111963 has 6 divisors (see below), whose sum is σ = 60828404. Its totient is φ = 28074636.

The previous prime is 42111947. The next prime is 42111983. The reversal of 42111963 is 36911124.

42111963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42111963 - 2⁴ = 42111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42111913) 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 in 5 ways as a sum of consecutive naturals, for example, 2339545 + ... + 2339562.

Almost surely, 2^42111963 is an apocalyptic number.

42111963 is a deficient number, since it is larger than the sum of its proper divisors (18716441).

42111963 is a wasteful number, since it uses less digits than its factorization.

42111963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679113 (or 4679110 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 42111963 is about 6489.3730822014. The cubic root of 42111963 is about 347.9112684992.

The spelling of 42111963 in words is "forty-two million, one hundred eleven thousand, nine hundred sixty-three".