42981600163 has 4 divisors (see below), whose sum is σ = 43375926880. Its totient is φ = 42587273448.

The previous prime is 42981600143. The next prime is 42981600199. The reversal of 42981600163 is 36100618924.

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 42981600163 - 2⁵ = 42981600131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42981600113) 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 in 3 ways as a sum of consecutive naturals, for example, 197163195 + ... + 197163412.

It is an arithmetic number, because the mean of its divisors is an integer number (10843981720).

Almost surely, 2^42981600163 is an apocalyptic number.

42981600163 is a deficient number, since it is larger than the sum of its proper divisors (394326717).

42981600163 is a wasteful number, since it uses less digits than its factorization.

42981600163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394326716.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 42981600163 in words is "forty-two billion, nine hundred eighty-one million, six hundred thousand, one hundred sixty-three".