6539289247 has 2 divisors, whose sum is σ = 6539289248. Its totient is φ = 6539289246.

The previous prime is 6539289233. The next prime is 6539289269. The reversal of 6539289247 is 7429829356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6539289247 - 2¹¹ = 6539287199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6539289287) 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 as a sum of consecutive naturals, namely, 3269644623 + 3269644624.

It is an arithmetic number, because the mean of its divisors is an integer number (3269644624).

Almost surely, 2^6539289247 is an apocalyptic number.

6539289247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6539289247 is an equidigital number, since it uses as much as digits as its factorization.

6539289247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 6539289247 is about 80865.8719547375. The cubic root of 6539289247 is about 1870.0082212456.

It can be divided in two parts, 6539289 and 247, that added together give a triangular number (6539536 = T₃₆₁₆).

The spelling of 6539289247 in words is "six billion, five hundred thirty-nine million, two hundred eighty-nine thousand, two hundred forty-seven".