4421287271 has 2 divisors, whose sum is σ = 4421287272. Its totient is φ = 4421287270.

The previous prime is 4421287231. The next prime is 4421287279. The reversal of 4421287271 is 1727821244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421287271 is a prime.

It is a super-2 number, since 2×4421287271² = 39095562265413254882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421287279) 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, 2210643635 + 2210643636.

It is an arithmetic number, because the mean of its divisors is an integer number (2210643636).

Almost surely, 2^4421287271 is an apocalyptic number.

4421287271 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421287271 is an equidigital number, since it uses as much as digits as its factorization.

4421287271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 38.

The square root of 4421287271 is about 66492.7610420864. The cubic root of 4421287271 is about 1641.2808840016.

The spelling of 4421287271 in words is "four billion, four hundred twenty-one million, two hundred eighty-seven thousand, two hundred seventy-one".