6489284427 has 6 divisors (see below), whose sum is σ = 9373410852. Its totient is φ = 4326189612.

The previous prime is 6489284381. The next prime is 6489284449. The reversal of 6489284427 is 7244829846.

6489284427 is a `hidden beast` number, since 64 + 89 + 2 + 84 + 427 = 666.

It is not a de Polignac number, because 6489284427 - 2⁷ = 6489284299 is a prime.

It is a super-2 number, since 2×6489284427² = 84221624749009436658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489284027) 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 in 5 ways as a sum of consecutive naturals, for example, 360515793 + ... + 360515810.

It is an arithmetic number, because the mean of its divisors is an integer number (1562235142).

Almost surely, 2^6489284427 is an apocalyptic number.

6489284427 is a deficient number, since it is larger than the sum of its proper divisors (2884126425).

6489284427 is a wasteful number, since it uses less digits than its factorization.

6489284427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721031609 (or 721031606 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 6489284427 is about 80556.0949090756. The cubic root of 6489284427 is about 1865.2294759884.

The spelling of 6489284427 in words is "six billion, four hundred eighty-nine million, two hundred eighty-four thousand, four hundred twenty-seven".