5238446643 has 24 divisors (see below), whose sum is σ = 7776054000. Its totient is φ = 3395767104.

The previous prime is 5238446641. The next prime is 5238446659. The reversal of 5238446643 is 3466448325.

5238446643 is a `hidden beast` number, since 523 + 84 + 4 + 6 + 6 + 43 = 666.

It is not a de Polignac number, because 5238446643 - 2¹ = 5238446641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5238446641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655033 + ... + 662981.

It is an arithmetic number, because the mean of its divisors is an integer number (324002250).

Almost surely, 2^5238446643 is an apocalyptic number.

5238446643 is a deficient number, since it is larger than the sum of its proper divisors (2537607357).

5238446643 is a wasteful number, since it uses less digits than its factorization.

5238446643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971 (or 9968 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 5238446643 is about 72377.1140831133. The cubic root of 5238446643 is about 1736.7374725416.

The spelling of 5238446643 in words is "five billion, two hundred thirty-eight million, four hundred forty-six thousand, six hundred forty-three".