5388587649 has 9 divisors (see below), whose sum is σ = 7783833603. Its totient is φ = 3592244952.

The previous prime is 5388587639. The next prime is 5388587657. The reversal of 5388587649 is 9467858835.

The square root of 5388587649 is 73407.

It is a perfect power (a square), and thus also a powerful number.

5388587649 is a `hidden beast` number, since 5 + 3 + 8 + 8 + 587 + 6 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 783608049 + 4604979600 = 27993^2 + 67860^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 5388587649 - 2⁹ = 5388587137 is a prime.

It is a super-3 number, since 3×5388587649³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5388587639) 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 8 ways as a sum of consecutive naturals, for example, 207987 + ... + 232455.

Almost surely, 2^5388587649 is an apocalyptic number.

5388587649 is the 73407-th square number.

5388587649 is the 36704-th centered octagonal number.

It is an amenable number.

5388587649 is a deficient number, since it is larger than the sum of its proper divisors (2395245954).

5388587649 is an frugal number, since it uses more digits than its factorization.

5388587649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48944 (or 24472 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The cubic root of 5388587649 is about 1753.1738483953.

The spelling of 5388587649 in words is "five billion, three hundred eighty-eight million, five hundred eighty-seven thousand, six hundred forty-nine".