4466886643 has 4 divisors (see below), whose sum is σ = 4701985960. Its totient is φ = 4231787328.

The previous prime is 4466886563. The next prime is 4466886647. The reversal of 4466886643 is 3466886644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4466886643 - 2²¹ = 4464789491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4466886647) 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, 117549630 + ... + 117549667.

It is an arithmetic number, because the mean of its divisors is an integer number (1175496490).

Almost surely, 2^4466886643 is an apocalyptic number.

4466886643 is a deficient number, since it is larger than the sum of its proper divisors (235099317).

4466886643 is a wasteful number, since it uses less digits than its factorization.

4466886643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235099316.

The product of its digits is 15925248, while the sum is 55.

The square root of 4466886643 is about 66834.7712122964. The cubic root of 4466886643 is about 1646.9040990376.

Subtracting from 4466886643 its reverse (3466886644), we obtain a palindrome (999999999).

The spelling of 4466886643 in words is "four billion, four hundred sixty-six million, eight hundred eighty-six thousand, six hundred forty-three".