6441277064 has 16 divisors (see below), whose sum is σ = 12157379520. Its totient is φ = 3199309200.

The previous prime is 6441277043. The next prime is 6441277069. The reversal of 6441277064 is 4607721446.

It is not an unprimeable number, because it can be changed into a prime (6441277069) 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 3 ways as a sum of consecutive naturals, for example, 2664884 + ... + 2667299.

It is an arithmetic number, because the mean of its divisors is an integer number (759836220).

Almost surely, 2^6441277064 is an apocalyptic number.

It is an amenable number.

6441277064 is a deficient number, since it is larger than the sum of its proper divisors (5716102456).

6441277064 is a wasteful number, since it uses less digits than its factorization.

6441277064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332340 (or 5332336 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 6441277064 is about 80257.5670201882. The cubic root of 6441277064 is about 1860.6184654696.

The spelling of 6441277064 in words is "six billion, four hundred forty-one million, two hundred seventy-seven thousand, sixty-four".