42443012033 has 4 divisors (see below), whose sum is σ = 42443528148. Its totient is φ = 42442495920.

The previous prime is 42443012011. The next prime is 42443012047. The reversal of 42443012033 is 33021034424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25602240049 + 16840771984 = 160007^2 + 129772^2 .

It is a cyclic number.

It is not a de Polignac number, because 42443012033 - 2⁶ = 42443011969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42443011993 and 42443012011.

It is not an unprimeable number, because it can be changed into a prime (42443062033) 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, 104078 + ... + 309383.

It is an arithmetic number, because the mean of its divisors is an integer number (10610882037).

Almost surely, 2^42443012033 is an apocalyptic number.

It is an amenable number.

42443012033 is a deficient number, since it is larger than the sum of its proper divisors (516115).

42443012033 is a wasteful number, since it uses less digits than its factorization.

42443012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516114.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42443012033 its reverse (33021034424), we get a palindrome (75464046457).

The spelling of 42443012033 in words is "forty-two billion, four hundred forty-three million, twelve thousand, thirty-three".