5443121234 has 16 divisors (see below), whose sum is σ = 8700029208. Its totient is φ = 2545151232.

The previous prime is 5443121221. The next prime is 5443121237. The reversal of 5443121234 is 4321213445.

It can be written as a sum of positive squares in 4 ways, for example, as 5061895609 + 381225625 = 71147^2 + 19525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5443121197 and 5443121206.

It is not an unprimeable number, because it can be changed into a prime (5443121237) 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, 504509 + ... + 515184.

Almost surely, 2^5443121234 is an apocalyptic number.

5443121234 is a deficient number, since it is larger than the sum of its proper divisors (3256907974).

5443121234 is a wasteful number, since it uses less digits than its factorization.

5443121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019869.

The product of its digits is 11520, while the sum is 29.

The square root of 5443121234 is about 73777.5117091923. The cubic root of 5443121234 is about 1759.0681656879.

Adding to 5443121234 its reverse (4321213445), we get a palindrome (9764334679).

The spelling of 5443121234 in words is "five billion, four hundred forty-three million, one hundred twenty-one thousand, two hundred thirty-four".