6509009011 has 16 divisors (see below), whose sum is σ = 7050542400. Its totient is φ = 5986649088.

The previous prime is 6509008969. The next prime is 6509009027. The reversal of 6509009011 is 1109009056.

It is a cyclic number.

It is not a de Polignac number, because 6509009011 - 2¹¹ = 6509006963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6509009071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111210 + ... + 159328.

It is an arithmetic number, because the mean of its divisors is an integer number (440658900).

Almost surely, 2^6509009011 is an apocalyptic number.

6509009011 is a deficient number, since it is larger than the sum of its proper divisors (541533389).

6509009011 is a wasteful number, since it uses less digits than its factorization.

6509009011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48318.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 6509009011 is about 80678.4296513015. The cubic root of 6509009011 is about 1867.1173915030.

The spelling of 6509009011 in words is "six billion, five hundred nine million, nine thousand, eleven".