4663443664 has 20 divisors (see below), whose sum is σ = 9856824480. Its totient is φ = 2119747040.

The previous prime is 4663443661. The next prime is 4663443671.

It is a happy number.

4663443664 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663443661) 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, 13248244 + ... + 13248595.

It is an arithmetic number, because the mean of its divisors is an integer number (492841224).

Almost surely, 2^4663443664 is an apocalyptic number.

4663443664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4663443664 is an abundant number, since it is smaller than the sum of its proper divisors (5193380816).

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

4663443664 is a wasteful number, since it uses less digits than its factorization.

4663443664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26496858 (or 26496852 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 46.

The square root of 4663443664 is about 68289.4110678954. The cubic root of 4663443664 is about 1670.7145118021.

The spelling of 4663443664 in words is "four billion, six hundred sixty-three million, four hundred forty-three thousand, six hundred sixty-four".