42133442243 has 8 divisors (see below), whose sum is σ = 44613680112. Its totient is φ = 39653404416.

The previous prime is 42133442237. The next prime is 42133442279. The reversal of 42133442243 is 34224433124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42133442243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133442203) 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, 743396 + ... + 798062.

It is an arithmetic number, because the mean of its divisors is an integer number (5576710014).

Almost surely, 2^42133442243 is an apocalyptic number.

42133442243 is a deficient number, since it is larger than the sum of its proper divisors (2480237869).

42133442243 is a wasteful number, since it uses less digits than its factorization.

42133442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100021.

The product of its digits is 55296, while the sum is 32.

Adding to 42133442243 its reverse (34224433124), we get a palindrome (76357875367).

The spelling of 42133442243 in words is "forty-two billion, one hundred thirty-three million, four hundred forty-two thousand, two hundred forty-three".