216027882529 has 2 divisors, whose sum is σ = 216027882530. Its totient is φ = 216027882528.

The previous prime is 216027882491. The next prime is 216027882547. The reversal of 216027882529 is 925288720612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195653174929 + 20374707600 = 442327^2 + 142740^2 .

It is a cyclic number.

It is not a de Polignac number, because 216027882529 - 2⁹ = 216027882017 is a prime.

It is not a weakly prime, because it can be changed into another prime (216027882229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108013941264 + 108013941265.

It is an arithmetic number, because the mean of its divisors is an integer number (108013941265).

Almost surely, 2^216027882529 is an apocalyptic number.

It is an amenable number.

216027882529 is a deficient number, since it is larger than the sum of its proper divisors (1).

216027882529 is an equidigital number, since it uses as much as digits as its factorization.

216027882529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 216027882529 in words is "two hundred sixteen billion, twenty-seven million, eight hundred eighty-two thousand, five hundred twenty-nine".