42159683 has 4 divisors (see below), whose sum is σ = 42789000. Its totient is φ = 41530368.

The previous prime is 42159679. The next prime is 42159701. The reversal of 42159683 is 38695124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42159683 - 2² = 42159679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42159083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314558 + ... + 314691.

It is an arithmetic number, because the mean of its divisors is an integer number (10697250).

Almost surely, 2^42159683 is an apocalyptic number.

42159683 is a deficient number, since it is larger than the sum of its proper divisors (629317).

42159683 is an equidigital number, since it uses as much as digits as its factorization.

42159683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629316.

The product of its digits is 51840, while the sum is 38.

The square root of 42159683 is about 6493.0488216246. The cubic root of 42159683 is about 348.0426330602.

The spelling of 42159683 in words is "forty-two million, one hundred fifty-nine thousand, six hundred eighty-three".