216488244127 has 2 divisors, whose sum is σ = 216488244128. Its totient is φ = 216488244126.

The previous prime is 216488244121. The next prime is 216488244173. The reversal of 216488244127 is 721442884612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216488244127 - 2¹⁹ = 216487719839 is a prime.

It is a super-4 number, since 4×216488244127⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216488244121) 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, 108244122063 + 108244122064.

It is an arithmetic number, because the mean of its divisors is an integer number (108244122064).

Almost surely, 2^216488244127 is an apocalyptic number.

216488244127 is a deficient number, since it is larger than the sum of its proper divisors (1).

216488244127 is an equidigital number, since it uses as much as digits as its factorization.

216488244127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1376256, while the sum is 49.

The spelling of 216488244127 in words is "two hundred sixteen billion, four hundred eighty-eight million, two hundred forty-four thousand, one hundred twenty-seven".