6420895296 has 28 divisors (see below), whose sum is σ = 16988619312. Its totient is φ = 2140298368.

The previous prime is 6420895259. The next prime is 6420895297. The reversal of 6420895296 is 6925980246.

It is not an unprimeable number, because it can be changed into a prime (6420895297) 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 in 3 ways as a sum of consecutive naturals, for example, 16720890 + ... + 16721273.

It is an arithmetic number, because the mean of its divisors is an integer number (606736404).

Almost surely, 2^6420895296 is an apocalyptic number.

It is an amenable number.

6420895296 is an abundant number, since it is smaller than the sum of its proper divisors (10567724016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6420895296 is a wasteful number, since it uses less digits than its factorization.

6420895296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33442178 (or 33442168 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 6420895296 is about 80130.4891785892. The cubic root of 6420895296 is about 1858.6539087074.

The spelling of 6420895296 in words is "six billion, four hundred twenty million, eight hundred ninety-five thousand, two hundred ninety-six".