4021384063 has 6 divisors (see below), whose sum is σ = 4098693704. Its totient is φ = 3945506136.

The previous prime is 4021384057. The next prime is 4021384111. The reversal of 4021384063 is 3604831204.

It is not a de Polignac number, because 4021384063 - 2⁹ = 4021383551 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 (4021384033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712995 + ... + 718612.

Almost surely, 2^4021384063 is an apocalyptic number.

4021384063 is a deficient number, since it is larger than the sum of its proper divisors (77309641).

4021384063 is an equidigital number, since it uses as much as digits as its factorization.

4021384063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431713 (or 1431660 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4021384063 is about 63414.3837232532. The cubic root of 4021384063 is about 1590.2247830351.

The spelling of 4021384063 in words is "four billion, twenty-one million, three hundred eighty-four thousand, sixty-three".