6549075647 has 2 divisors, whose sum is σ = 6549075648. Its totient is φ = 6549075646.

The previous prime is 6549075641. The next prime is 6549075653. The reversal of 6549075647 is 7465709456.

It is a balanced prime because it is at equal distance from previous prime (6549075641) and next prime (6549075653).

It is a cyclic number.

It is not a de Polignac number, because 6549075647 - 2⁶ = 6549075583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6549075641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274537823 + 3274537824.

It is an arithmetic number, because the mean of its divisors is an integer number (3274537824).

Almost surely, 2^6549075647 is an apocalyptic number.

6549075647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6549075647 is an equidigital number, since it uses as much as digits as its factorization.

6549075647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The square root of 6549075647 is about 80926.3594077974. The cubic root of 6549075647 is about 1870.9406124196.

The spelling of 6549075647 in words is "six billion, five hundred forty-nine million, seventy-five thousand, six hundred forty-seven".