5386640539 has 8 divisors (see below), whose sum is σ = 6225331680. Its totient is φ = 4565242176.

The previous prime is 5386640537. The next prime is 5386640561. The reversal of 5386640539 is 9350466835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5386640539 - 2¹ = 5386640537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5386640492 and 5386640501.

It is not an unprimeable number, because it can be changed into a prime (5386640537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322524 + ... + 4323769.

It is an arithmetic number, because the mean of its divisors is an integer number (778166460).

Almost surely, 2^5386640539 is an apocalyptic number.

5386640539 is a deficient number, since it is larger than the sum of its proper divisors (838691141).

5386640539 is an equidigital number, since it uses as much as digits as its factorization.

5386640539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646389.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The square root of 5386640539 is about 73393.7363744346. The cubic root of 5386640539 is about 1752.9626592554.

The spelling of 5386640539 in words is "five billion, three hundred eighty-six million, six hundred forty thousand, five hundred thirty-nine".