6532445009 has 2 divisors, whose sum is σ = 6532445010. Its totient is φ = 6532445008.

The previous prime is 6532444951. The next prime is 6532445011. The reversal of 6532445009 is 9005442356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5476000000 + 1056445009 = 74000^2 + 32503^2 .

It is a cyclic number.

It is not a de Polignac number, because 6532445009 - 2¹⁶ = 6532379473 is a prime.

It is a super-3 number, since 3×6532445009³ (a number of 30 digits) contains 333 as substring.

Together with 6532445011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6532445609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266222504 + 3266222505.

It is an arithmetic number, because the mean of its divisors is an integer number (3266222505).

Almost surely, 2^6532445009 is an apocalyptic number.

It is an amenable number.

6532445009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6532445009 is an equidigital number, since it uses as much as digits as its factorization.

6532445009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 6532445009 is about 80823.5424180356. The cubic root of 6532445009 is about 1869.3555892009.

The spelling of 6532445009 in words is "six billion, five hundred thirty-two million, four hundred forty-five thousand, nine".