6330032505 has 12 divisors (see below), whose sum is σ = 10972056420. Its totient is φ = 3376017312.

The previous prime is 6330032461. The next prime is 6330032509. The reversal of 6330032505 is 5052300336.

6330032505 is a `hidden beast` number, since 6 + 330 + 0 + 325 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4962216249 + 1367816256 = 70443^2 + 36984^2 .

It is not a de Polignac number, because 6330032505 - 2⁸ = 6330032249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6330032509) 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 11 ways as a sum of consecutive naturals, for example, 70333650 + ... + 70333739.

It is an arithmetic number, because the mean of its divisors is an integer number (914338035).

Almost surely, 2^6330032505 is an apocalyptic number.

It is an amenable number.

6330032505 is a deficient number, since it is larger than the sum of its proper divisors (4642023915).

6330032505 is a wasteful number, since it uses less digits than its factorization.

6330032505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140667400 (or 140667397 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 6330032505 is about 79561.5013998605. The cubic root of 6330032505 is about 1849.8448864348.

The spelling of 6330032505 in words is "six billion, three hundred thirty million, thirty-two thousand, five hundred five".