42133442213 has 4 divisors (see below), whose sum is σ = 42169119468. Its totient is φ = 42097764960.

The previous prime is 42133442203. The next prime is 42133442231. The reversal of 42133442213 is 31224433124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40681679809 + 1451762404 = 201697^2 + 38102^2 .

It is a cyclic number.

It is not a de Polignac number, because 42133442213 - 2³⁰ = 41059700389 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 17836856 + ... + 17839217.

It is an arithmetic number, because the mean of its divisors is an integer number (10542279867).

Almost surely, 2^42133442213 is an apocalyptic number.

It is an amenable number.

42133442213 is a deficient number, since it is larger than the sum of its proper divisors (35677255).

42133442213 is a wasteful number, since it uses less digits than its factorization.

42133442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35677254.

The product of its digits is 13824, while the sum is 29.

Adding to 42133442213 its reverse (31224433124), we get a palindrome (73357875337).

The spelling of 42133442213 in words is "forty-two billion, one hundred thirty-three million, four hundred forty-two thousand, two hundred thirteen".