5638373244 has 72 divisors (see below), whose sum is σ = 16298475648. Its totient is φ = 1609990560.

The previous prime is 5638373207. The next prime is 5638373267. The reversal of 5638373244 is 4423738365.

5638373244 is a `hidden beast` number, since 5 + 6 + 38 + 373 + 244 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5638373244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480819 + ... + 492405.

Almost surely, 2^5638373244 is an apocalyptic number.

It is an amenable number.

5638373244 is an abundant number, since it is smaller than the sum of its proper divisors (10660102404).

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

5638373244 is a wasteful number, since it uses less digits than its factorization.

5638373244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535 (or 13530 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 5638373244 is about 75089.1020321857. The cubic root of 5638373244 is about 1779.8549353648.

The spelling of 5638373244 in words is "five billion, six hundred thirty-eight million, three hundred seventy-three thousand, two hundred forty-four".