3863949221911 has 8 divisors (see below), whose sum is σ = 4039033050720. Its totient is φ = 3689455896192.

The previous prime is 3863949221863. The next prime is 3863949221941. The reversal of 3863949221911 is 1191229493683.

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

It is a cyclic number.

It is not a de Polignac number, because 3863949221911 - 2²⁷ = 3863815004183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863949221941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147612390 + ... + 147638563.

It is an arithmetic number, because the mean of its divisors is an integer number (504879131340).

Almost surely, 2^{3863949221911} is an apocalyptic number.

3863949221911 is a deficient number, since it is larger than the sum of its proper divisors (175083828809).

3863949221911 is a wasteful number, since it uses less digits than its factorization.

3863949221911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295251545.

The product of its digits is 5038848, while the sum is 58.

The spelling of 3863949221911 in words is "three trillion, eight hundred sixty-three billion, nine hundred forty-nine million, two hundred twenty-one thousand, nine hundred eleven".