6549127047 has 8 divisors (see below), whose sum is σ = 9702410480. Its totient is φ = 4366084680.

The previous prime is 6549127009. The next prime is 6549127049. The reversal of 6549127047 is 7407219456.

It is not a de Polignac number, because 6549127047 - 2¹⁶ = 6549061511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6549126993 and 6549127011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6549127049) 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, 121280104 + ... + 121280157.

It is an arithmetic number, because the mean of its divisors is an integer number (1212801310).

Almost surely, 2^6549127047 is an apocalyptic number.

6549127047 is a deficient number, since it is larger than the sum of its proper divisors (3153283433).

6549127047 is a wasteful number, since it uses less digits than its factorization.

6549127047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242560270 (or 242560264 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 6549127047 is about 80926.6769798439. The cubic root of 6549127047 is about 1870.9455070593.

The spelling of 6549127047 in words is "six billion, five hundred forty-nine million, one hundred twenty-seven thousand, forty-seven".