4463969866 has 8 divisors (see below), whose sum is σ = 6697950084. Its totient is φ = 2231319840.

The previous prime is 4463969843. The next prime is 4463969893. The reversal of 4463969866 is 6689693644.

It can be written as a sum of positive squares in 2 ways, for example, as 4067760841 + 396209025 = 63779^2 + 19905^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324115 + ... + 337606.

Almost surely, 2^4463969866 is an apocalyptic number.

4463969866 is a deficient number, since it is larger than the sum of its proper divisors (2233980218).

4463969866 is a wasteful number, since it uses less digits than its factorization.

4463969866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665096.

The product of its digits is 40310784, while the sum is 61.

The square root of 4463969866 is about 66812.9468441559. The cubic root of 4463969866 is about 1646.5455571477.

The spelling of 4463969866 in words is "four billion, four hundred sixty-three million, nine hundred sixty-nine thousand, eight hundred sixty-six".