6509441051 has 2 divisors, whose sum is σ = 6509441052. Its totient is φ = 6509441050.

The previous prime is 6509441033. The next prime is 6509441077. The reversal of 6509441051 is 1501449056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6509441051 - 2²² = 6505246747 is a prime.

It is not a weakly prime, because it can be changed into another prime (6509440051) 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 as a sum of consecutive naturals, namely, 3254720525 + 3254720526.

It is an arithmetic number, because the mean of its divisors is an integer number (3254720526).

Almost surely, 2^6509441051 is an apocalyptic number.

6509441051 is a deficient number, since it is larger than the sum of its proper divisors (1).

6509441051 is an equidigital number, since it uses as much as digits as its factorization.

6509441051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 6509441051 is about 80681.1071503112. The cubic root of 6509441051 is about 1867.1587009942.

The spelling of 6509441051 in words is "six billion, five hundred nine million, four hundred forty-one thousand, fifty-one".