42133442194 has 8 divisors (see below), whose sum is σ = 63825907788. Its totient is φ = 20858139600.

The previous prime is 42133442137. The next prime is 42133442203. The reversal of 42133442194 is 49124433124.

It can be written as a sum of positive squares in 2 ways, for example, as 31174492969 + 10958949225 = 176563^2 + 104685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42133442194² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 104290497 + ... + 104290900.

Almost surely, 2^42133442194 is an apocalyptic number.

42133442194 is a deficient number, since it is larger than the sum of its proper divisors (21692465594).

42133442194 is a wasteful number, since it uses less digits than its factorization.

42133442194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208581500.

The product of its digits is 82944, while the sum is 37.

The spelling of 42133442194 in words is "forty-two billion, one hundred thirty-three million, four hundred forty-two thousand, one hundred ninety-four".