5388603644 has 12 divisors (see below), whose sum is σ = 9734251968. Its totient is φ = 2607388800.

The previous prime is 5388603643. The next prime is 5388603659. The reversal of 5388603644 is 4463068835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5388603641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21728117 + ... + 21728364.

It is an arithmetic number, because the mean of its divisors is an integer number (811187664).

Almost surely, 2^5388603644 is an apocalyptic number.

It is an amenable number.

5388603644 is a deficient number, since it is larger than the sum of its proper divisors (4345648324).

5388603644 is a wasteful number, since it uses less digits than its factorization.

5388603644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43456516 (or 43456514 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The square root of 5388603644 is about 73407.1089472947. The cubic root of 5388603644 is about 1753.1755830483.

The spelling of 5388603644 in words is "five billion, three hundred eighty-eight million, six hundred three thousand, six hundred forty-four".