4221361632871 has 2 divisors, whose sum is σ = 4221361632872. Its totient is φ = 4221361632870.

The previous prime is 4221361632841. The next prime is 4221361632899. The reversal of 4221361632871 is 1782361631224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221361632871 - 2⁹ = 4221361632359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221361632841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110680816435 + 2110680816436.

It is an arithmetic number, because the mean of its divisors is an integer number (2110680816436).

Almost surely, 2^{4221361632871} is an apocalyptic number.

4221361632871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221361632871 is an equidigital number, since it uses as much as digits as its factorization.

4221361632871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The spelling of 4221361632871 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-one million, six hundred thirty-two thousand, eight hundred seventy-one".