219116354297 has 2 divisors, whose sum is σ = 219116354298. Its totient is φ = 219116354296.

The previous prime is 219116354293. The next prime is 219116354309. The reversal of 219116354297 is 792453611912.

219116354297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206178656761 + 12937697536 = 454069^2 + 113744^2 .

It is a cyclic number.

It is not a de Polignac number, because 219116354297 - 2² = 219116354293 is a prime.

It is not a weakly prime, because it can be changed into another prime (219116354293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109558177148 + 109558177149.

It is an arithmetic number, because the mean of its divisors is an integer number (109558177149).

Almost surely, 2^219116354297 is an apocalyptic number.

It is an amenable number.

219116354297 is a deficient number, since it is larger than the sum of its proper divisors (1).

219116354297 is an equidigital number, since it uses as much as digits as its factorization.

219116354297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The spelling of 219116354297 in words is "two hundred nineteen billion, one hundred sixteen million, three hundred fifty-four thousand, two hundred ninety-seven".