6560989395 has 32 divisors (see below), whose sum is σ = 10633883904. Its totient is φ = 3453840000.

The previous prime is 6560989343. The next prime is 6560989397. The reversal of 6560989395 is 5939890656.

It is not a de Polignac number, because 6560989395 - 2²¹ = 6558892243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6560989397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2016520 + ... + 2019770.

It is an arithmetic number, because the mean of its divisors is an integer number (332308872).

Almost surely, 2^6560989395 is an apocalyptic number.

6560989395 is a deficient number, since it is larger than the sum of its proper divisors (4072894509).

6560989395 is a wasteful number, since it uses less digits than its factorization.

6560989395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 15746400, while the sum is 60.

The square root of 6560989395 is about 80999.9345370106. The cubic root of 6560989395 is about 1872.0744320910.

The spelling of 6560989395 in words is "six billion, five hundred sixty million, nine hundred eighty-nine thousand, three hundred ninety-five".