216770873638199 has 2 divisors, whose sum is σ = 216770873638200. Its totient is φ = 216770873638198.

The previous prime is 216770873638171. The next prime is 216770873638247. The reversal of 216770873638199 is 991836378077612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216770873638199 is a prime.

It is a super-2 number, since 2×216770873638199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216770873638159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108385436819099 + 108385436819100.

It is an arithmetic number, because the mean of its divisors is an integer number (108385436819100).

Almost surely, 2^{216770873638199} is an apocalyptic number.

216770873638199 is a deficient number, since it is larger than the sum of its proper divisors (1).

216770873638199 is an equidigital number, since it uses as much as digits as its factorization.

216770873638199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152216576, while the sum is 77.

The spelling of 216770873638199 in words is "two hundred sixteen trillion, seven hundred seventy billion, eight hundred seventy-three million, six hundred thirty-eight thousand, one hundred ninety-nine".