6441354163163 has 4 divisors (see below), whose sum is σ = 6441359460480. Its totient is φ = 6441348865848.

The previous prime is 6441354163151. The next prime is 6441354163217. The reversal of 6441354163163 is 3613614531446.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6441354163163 - 2⁴ = 6441354163147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6441354163103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187853 + ... + 3594161.

It is an arithmetic number, because the mean of its divisors is an integer number (1610339865120).

Almost surely, 2^{6441354163163} is an apocalyptic number.

6441354163163 is a deficient number, since it is larger than the sum of its proper divisors (5297317).

6441354163163 is a wasteful number, since it uses less digits than its factorization.

6441354163163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297316.

The product of its digits is 1866240, while the sum is 47.

The spelling of 6441354163163 in words is "six trillion, four hundred forty-one billion, three hundred fifty-four million, one hundred sixty-three thousand, one hundred sixty-three".