5387644039 has 16 divisors (see below), whose sum is σ = 5882793984. Its totient is φ = 4918795200.

The previous prime is 5387644007. The next prime is 5387644051. The reversal of 5387644039 is 9304467835.

It is a cyclic number.

It is not a de Polignac number, because 5387644039 - 2⁵ = 5387644007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5387643983 and 5387644001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387644439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294 + ... + 103804.

It is an arithmetic number, because the mean of its divisors is an integer number (367674624).

Almost surely, 2^5387644039 is an apocalyptic number.

5387644039 is a deficient number, since it is larger than the sum of its proper divisors (495149945).

5387644039 is a wasteful number, since it uses less digits than its factorization.

5387644039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103638.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 5387644039 is about 73400.5724705196. The cubic root of 5387644039 is about 1753.0715081004.

The spelling of 5387644039 in words is "five billion, three hundred eighty-seven million, six hundred forty-four thousand, thirty-nine".