4021899911 has 4 divisors (see below), whose sum is σ = 4045983312. Its totient is φ = 3997816512.

The previous prime is 4021899901. The next prime is 4021899923. The reversal of 4021899911 is 1199981204.

4021899911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021899911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021899901) 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, 12041450 + ... + 12041783.

It is an arithmetic number, because the mean of its divisors is an integer number (1011495828).

Almost surely, 2^4021899911 is an apocalyptic number.

4021899911 is a deficient number, since it is larger than the sum of its proper divisors (24083401).

4021899911 is a wasteful number, since it uses less digits than its factorization.

4021899911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24083400.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 4021899911 is about 63418.4508719663. The cubic root of 4021899911 is about 1590.2927761429.

The spelling of 4021899911 in words is "four billion, twenty-one million, eight hundred ninety-nine thousand, nine hundred eleven".