6549542275 has 6 divisors (see below), whose sum is σ = 8121432452. Its totient is φ = 5239633800.

The previous prime is 6549542249. The next prime is 6549542317. The reversal of 6549542275 is 5722459456.

It is not a de Polignac number, because 6549542275 - 2⁹ = 6549541763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130990821 + ... + 130990870.

Almost surely, 2^6549542275 is an apocalyptic number.

6549542275 is a deficient number, since it is larger than the sum of its proper divisors (1571890177).

6549542275 is a wasteful number, since it uses less digits than its factorization.

6549542275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261981701 (or 261981696 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The square root of 6549542275 is about 80929.2423972942. The cubic root of 6549542275 is about 1870.9850468095.

The spelling of 6549542275 in words is "six billion, five hundred forty-nine million, five hundred forty-two thousand, two hundred seventy-five".