6506322009 has 16 divisors (see below), whose sum is σ = 9512785344. Its totient is φ = 3922790400.

The previous prime is 6506321977. The next prime is 6506322049. The reversal of 6506322009 is 9002236056.

6506322009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6506322009 - 2⁵ = 6506321977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6506322049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504412 + ... + 517149.

It is an arithmetic number, because the mean of its divisors is an integer number (594549084).

Almost surely, 2^6506322009 is an apocalyptic number.

It is an amenable number.

6506322009 is a deficient number, since it is larger than the sum of its proper divisors (3006463335).

6506322009 is a wasteful number, since it uses less digits than its factorization.

6506322009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021768.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 6506322009 is about 80661.7753895859. The cubic root of 6506322009 is about 1866.8604328442.

The spelling of 6506322009 in words is "six billion, five hundred six million, three hundred twenty-two thousand, nine".