6375132009 has 12 divisors (see below), whose sum is σ = 9241771396. Its totient is φ = 4234743072.

The previous prime is 6375132007. The next prime is 6375132013. The reversal of 6375132009 is 9002315736.

6375132009 is a `hidden beast` number, since 637 + 5 + 13 + 2 + 0 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3194510400 + 3180621609 = 56520^2 + 56397^2 .

It is not a de Polignac number, because 6375132009 - 2¹ = 6375132007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6375132007) 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, 1276114 + ... + 1281099.

Almost surely, 2^6375132009 is an apocalyptic number.

It is an amenable number.

6375132009 is a deficient number, since it is larger than the sum of its proper divisors (2866639387).

6375132009 is a wasteful number, since it uses less digits than its factorization.

6375132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557496 (or 2557493 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 6375132009 is about 79844.4237815015. The cubic root of 6375132009 is about 1854.2276831357.

It can be divided in two parts, 6375 and 132009, that added together give a square (138384 = 372²).

The spelling of 6375132009 in words is "six billion, three hundred seventy-five million, one hundred thirty-two thousand, nine".