4221719027 has 2 divisors, whose sum is σ = 4221719028. Its totient is φ = 4221719026.

The previous prime is 4221719011. The next prime is 4221719039. The reversal of 4221719027 is 7209171224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221719027 - 2⁴ = 4221719011 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221719057) 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, 2110859513 + 2110859514.

It is an arithmetic number, because the mean of its divisors is an integer number (2110859514).

Almost surely, 2^4221719027 is an apocalyptic number.

4221719027 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221719027 is an equidigital number, since it uses as much as digits as its factorization.

4221719027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 4221719027 is about 64974.7568444854. The cubic root of 4221719027 is about 1616.2049849183.

The spelling of 4221719027 in words is "four billion, two hundred twenty-one million, seven hundred nineteen thousand, twenty-seven".