6441064758851 has 8 divisors (see below), whose sum is σ = 6480168785664. Its totient is φ = 6401967098760.

The previous prime is 6441064758839. The next prime is 6441064758857. The reversal of 6441064758851 is 1588574601446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6441064758851 - 2²⁶ = 6440997649987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6441064758857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445706 + ... + 3616736.

It is an arithmetic number, because the mean of its divisors is an integer number (810021098208).

Almost surely, 2^{6441064758851} is an apocalyptic number.

6441064758851 is a deficient number, since it is larger than the sum of its proper divisors (39104026813).

6441064758851 is a wasteful number, since it uses less digits than its factorization.

6441064758851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183361.

The product of its (nonzero) digits is 25804800, while the sum is 59.

The spelling of 6441064758851 in words is "six trillion, four hundred forty-one billion, sixty-four million, seven hundred fifty-eight thousand, eight hundred fifty-one".