4438538063 has 4 divisors (see below), whose sum is σ = 4438858008. Its totient is φ = 4438218120.

The previous prime is 4438538047. The next prime is 4438538077. The reversal of 4438538063 is 3608358344.

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

It is a cyclic number.

It is not a de Polignac number, because 4438538063 - 2⁴ = 4438538047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438538963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 138173 + ... + 167238.

It is an arithmetic number, because the mean of its divisors is an integer number (1109714502).

Almost surely, 2^4438538063 is an apocalyptic number.

4438538063 is a deficient number, since it is larger than the sum of its proper divisors (319945).

4438538063 is a wasteful number, since it uses less digits than its factorization.

4438538063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319944.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 4438538063 is about 66622.3540787925. The cubic root of 4438538063 is about 1643.4127405569.

The spelling of 4438538063 in words is "four billion, four hundred thirty-eight million, five hundred thirty-eight thousand, sixty-three".