127216302643 has 2 divisors, whose sum is σ = 127216302644. Its totient is φ = 127216302642.

The previous prime is 127216302637. The next prime is 127216302659. The reversal of 127216302643 is 346203612721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127216302643 - 2¹⁷ = 127216171571 is a prime.

It is not a weakly prime, because it can be changed into another prime (127216302683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63608151321 + 63608151322.

It is an arithmetic number, because the mean of its divisors is an integer number (63608151322).

Almost surely, 2^127216302643 is an apocalyptic number.

127216302643 is a deficient number, since it is larger than the sum of its proper divisors (1).

127216302643 is an equidigital number, since it uses as much as digits as its factorization.

127216302643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 127216302643 in words is "one hundred twenty-seven billion, two hundred sixteen million, three hundred two thousand, six hundred forty-three".