63465523616643 has 8 divisors (see below), whose sum is σ = 84627153368400. Its totient is φ = 42307121471328.

The previous prime is 63465523616623. The next prime is 63465523616689. The reversal of 63465523616643 is 34661632556436.

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

It is not a de Polignac number, because 63465523616643 - 2¹⁶ = 63465523551107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63465523616623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806855728 + ... + 806934381.

It is an arithmetic number, because the mean of its divisors is an integer number (10578394171050).

Almost surely, 2^{63465523616643} is an apocalyptic number.

63465523616643 is a deficient number, since it is larger than the sum of its proper divisors (21161629751757).

63465523616643 is a wasteful number, since it uses less digits than its factorization.

63465523616643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613803221.

The product of its digits is 167961600, while the sum is 60.

The spelling of 63465523616643 in words is "sixty-three trillion, four hundred sixty-five billion, five hundred twenty-three million, six hundred sixteen thousand, six hundred forty-three".