6514728547 has 2 divisors, whose sum is σ = 6514728548. Its totient is φ = 6514728546.

The previous prime is 6514728481. The next prime is 6514728557. The reversal of 6514728547 is 7458274156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6514728547 - 2¹¹ = 6514726499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6514728547.

It is not a weakly prime, because it can be changed into another prime (6514728557) 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, 3257364273 + 3257364274.

It is an arithmetic number, because the mean of its divisors is an integer number (3257364274).

Almost surely, 2^6514728547 is an apocalyptic number.

6514728547 is a deficient number, since it is larger than the sum of its proper divisors (1).

6514728547 is an equidigital number, since it uses as much as digits as its factorization.

6514728547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The square root of 6514728547 is about 80713.8683684533. The cubic root of 6514728547 is about 1867.6641167528.

The spelling of 6514728547 in words is "six billion, five hundred fourteen million, seven hundred twenty-eight thousand, five hundred forty-seven".