4021488971 has 2 divisors, whose sum is σ = 4021488972. Its totient is φ = 4021488970.

The previous prime is 4021488883. The next prime is 4021488979. The reversal of 4021488971 is 1798841204.

4021488971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021488971 - 2²⁶ = 3954380107 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021488979) 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 as a sum of consecutive naturals, namely, 2010744485 + 2010744486.

It is an arithmetic number, because the mean of its divisors is an integer number (2010744486).

Almost surely, 2^4021488971 is an apocalyptic number.

4021488971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021488971 is an equidigital number, since it uses as much as digits as its factorization.

4021488971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4021488971 is about 63415.2108803558. The cubic root of 4021488971 is about 1590.2386112634.

The spelling of 4021488971 in words is "four billion, twenty-one million, four hundred eighty-eight thousand, nine hundred seventy-one".