276216246289 has 2 divisors, whose sum is σ = 276216246290. Its totient is φ = 276216246288.

The previous prime is 276216246233. The next prime is 276216246307. The reversal of 276216246289 is 982642612672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271133697025 + 5082549264 = 520705^2 + 71292^2 .

It is a cyclic number.

It is not a de Polignac number, because 276216246289 - 2⁹ = 276216245777 is a prime.

It is not a weakly prime, because it can be changed into another prime (276216276289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138108123144 + 138108123145.

It is an arithmetic number, because the mean of its divisors is an integer number (138108123145).

Almost surely, 2^276216246289 is an apocalyptic number.

It is an amenable number.

276216246289 is a deficient number, since it is larger than the sum of its proper divisors (1).

276216246289 is an equidigital number, since it uses as much as digits as its factorization.

276216246289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The spelling of 276216246289 in words is "two hundred seventy-six billion, two hundred sixteen million, two hundred forty-six thousand, two hundred eighty-nine".