42133789167 has 8 divisors (see below), whose sum is σ = 56269438896. Its totient is φ = 28043666112.

The previous prime is 42133789157. The next prime is 42133789193. The reversal of 42133789167 is 76198733124.

It is a happy number.

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

It is not a de Polignac number, because 42133789167 - 2²⁰ = 42132740591 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133789157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11379508 + ... + 11383209.

It is an arithmetic number, because the mean of its divisors is an integer number (7033679862).

Almost surely, 2^42133789167 is an apocalyptic number.

42133789167 is a deficient number, since it is larger than the sum of its proper divisors (14135649729).

42133789167 is a wasteful number, since it uses less digits than its factorization.

42133789167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22763337.

The product of its digits is 1524096, while the sum is 51.

The spelling of 42133789167 in words is "forty-two billion, one hundred thirty-three million, seven hundred eighty-nine thousand, one hundred sixty-seven".