6555134439 has 16 divisors (see below), whose sum is σ = 11098640640. Its totient is φ = 3745791000.

The previous prime is 6555134437. The next prime is 6555134449. The reversal of 6555134439 is 9344315556.

6555134439 is a `hidden beast` number, since 65 + 5 + 513 + 44 + 39 = 666.

It is not a de Polignac number, because 6555134439 - 2¹ = 6555134437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6555134394 and 6555134403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555134437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17341437 + ... + 17341814.

It is an arithmetic number, because the mean of its divisors is an integer number (693665040).

Almost surely, 2^6555134439 is an apocalyptic number.

6555134439 is a deficient number, since it is larger than the sum of its proper divisors (4543506201).

6555134439 is a wasteful number, since it uses less digits than its factorization.

6555134439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683267 (or 34683261 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 6555134439 is about 80963.7847373750. The cubic root of 6555134439 is about 1871.5173933654.

The spelling of 6555134439 in words is "six billion, five hundred fifty-five million, one hundred thirty-four thousand, four hundred thirty-nine".