5443423042 has 4 divisors (see below), whose sum is σ = 8165134566. Its totient is φ = 2721711520.

The previous prime is 5443423003. The next prime is 5443423043. The reversal of 5443423042 is 2403243445.

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

It can be written as a sum of positive squares in only one way, i.e., 3396674961 + 2046748081 = 58281^2 + 45241^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5443422995 and 5443423013.

It is not an unprimeable number, because it can be changed into a prime (5443423043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360855759 + ... + 1360855762.

Almost surely, 2^5443423042 is an apocalyptic number.

5443423042 is a deficient number, since it is larger than the sum of its proper divisors (2721711524).

5443423042 is a wasteful number, since it uses less digits than its factorization.

5443423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721711523.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 5443423042 is about 73779.5570737586. The cubic root of 5443423042 is about 1759.1006771221.

Adding to 5443423042 its reverse (2403243445), we get a palindrome (7846666487).

The spelling of 5443423042 in words is "five billion, four hundred forty-three million, four hundred twenty-three thousand, forty-two".