6149845539 has 30 divisors (see below), whose sum is σ = 9675162420. Its totient is φ = 3882169944.

The previous prime is 6149845529. The next prime is 6149845579. The reversal of 6149845539 is 9355489416.

6149845539 is a `hidden beast` number, since 6 + 1 + 4 + 9 + 84 + 553 + 9 = 666.

It is not a de Polignac number, because 6149845539 - 2⁹ = 6149845027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6149845529) 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 29 ways as a sum of consecutive naturals, for example, 3075462 + ... + 3077460.

It is an arithmetic number, because the mean of its divisors is an integer number (322505414).

Almost surely, 2^6149845539 is an apocalyptic number.

6149845539 is a deficient number, since it is larger than the sum of its proper divisors (3525316881).

6149845539 is an frugal number, since it uses more digits than its factorization.

6149845539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 2021 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 6149845539 is about 78420.9508932403. The cubic root of 6149845539 is about 1832.1234608918.

The spelling of 6149845539 in words is "six billion, one hundred forty-nine million, eight hundred forty-five thousand, five hundred thirty-nine".