4221503664127 has 2 divisors, whose sum is σ = 4221503664128. Its totient is φ = 4221503664126.

The previous prime is 4221503664083. The next prime is 4221503664137. The reversal of 4221503664127 is 7214663051224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221503664127 - 2³⁵ = 4187143925759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221503664137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110751832063 + 2110751832064.

It is an arithmetic number, because the mean of its divisors is an integer number (2110751832064).

Almost surely, 2^{4221503664127} is an apocalyptic number.

4221503664127 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221503664127 is an equidigital number, since it uses as much as digits as its factorization.

4221503664127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 4221503664127 in words is "four trillion, two hundred twenty-one billion, five hundred three million, six hundred sixty-four thousand, one hundred twenty-seven".