6539330349 has 12 divisors (see below), whose sum is σ = 9446690812. Its totient is φ = 4359096000.

The previous prime is 6539330341. The next prime is 6539330363. The reversal of 6539330349 is 9430339356.

It can be written as a sum of positive squares in 2 ways, for example, as 2444610249 + 4094720100 = 49443^2 + 63990^2 .

It is not a de Polignac number, because 6539330349 - 2³ = 6539330341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539330341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67899 + ... + 132999.

Almost surely, 2^6539330349 is an apocalyptic number.

It is an amenable number.

6539330349 is a deficient number, since it is larger than the sum of its proper divisors (2907360463).

6539330349 is a wasteful number, since it uses less digits than its factorization.

6539330349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76268 (or 76265 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 45.

The square root of 6539330349 is about 80866.1260912132. The cubic root of 6539330349 is about 1870.0121391493.

The spelling of 6539330349 in words is "six billion, five hundred thirty-nine million, three hundred thirty thousand, three hundred forty-nine".