42189821113 has 4 divisors (see below), whose sum is σ = 46025259408. Its totient is φ = 38354382820.

The previous prime is 42189821041. The next prime is 42189821131. The reversal of 42189821113 is 31112898124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42189821113 - 2¹³ = 42189812921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42189821413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917719131 + ... + 1917719152.

It is an arithmetic number, because the mean of its divisors is an integer number (11506314852).

Almost surely, 2^42189821113 is an apocalyptic number.

It is an amenable number.

42189821113 is a deficient number, since it is larger than the sum of its proper divisors (3835438295).

42189821113 is a wasteful number, since it uses less digits than its factorization.

42189821113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835438294.

The product of its digits is 27648, while the sum is 40.

The spelling of 42189821113 in words is "forty-two billion, one hundred eighty-nine million, eight hundred twenty-one thousand, one hundred thirteen".