4271897447 has 2 divisors, whose sum is σ = 4271897448. Its totient is φ = 4271897446.

The previous prime is 4271897437. The next prime is 4271897449. The reversal of 4271897447 is 7447981724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4271897447 - 2⁴ = 4271897431 is a prime.

Together with 4271897449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4271897449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135948723 + 2135948724.

It is an arithmetic number, because the mean of its divisors is an integer number (2135948724).

Almost surely, 2^4271897447 is an apocalyptic number.

4271897447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271897447 is an equidigital number, since it uses as much as digits as its factorization.

4271897447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 53.

The square root of 4271897447 is about 65359.7540310549. The cubic root of 4271897447 is about 1622.5830669491.

The spelling of 4271897447 in words is "four billion, two hundred seventy-one million, eight hundred ninety-seven thousand, four hundred forty-seven".