5638243122 has 36 divisors (see below), whose sum is σ = 12893005710. Its totient is φ = 1780495776.

The previous prime is 5638243099. The next prime is 5638243129. The reversal of 5638243122 is 2213428365.

5638243122 is a `hidden beast` number, since 5 + 638 + 2 + 4 + 3 + 12 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4971519081 + 666724041 = 70509^2 + 25821^2 .

It is not an unprimeable number, because it can be changed into a prime (5638243129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 427347 + ... + 440342.

Almost surely, 2^5638243122 is an apocalyptic number.

5638243122 is an abundant number, since it is smaller than the sum of its proper divisors (7254762588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5638243122 is a wasteful number, since it uses less digits than its factorization.

5638243122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867735 (or 867713 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5638243122 is about 75088.2355765535. The cubic root of 5638243122 is about 1779.8412434685.

It can be divided in two parts, 5638243 and 122, that added together give a palindrome (5638365).

The spelling of 5638243122 in words is "five billion, six hundred thirty-eight million, two hundred forty-three thousand, one hundred twenty-two".