276742112532209 has 2 divisors, whose sum is σ = 276742112532210. Its totient is φ = 276742112532208.

The previous prime is 276742112532199. The next prime is 276742112532227. The reversal of 276742112532209 is 902235211247672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275105248172209 + 1636864360000 = 16586297^2 + 1279400^2 .

It is a cyclic number.

It is not a de Polignac number, because 276742112532209 - 2¹² = 276742112528113 is a prime.

It is not a weakly prime, because it can be changed into another prime (276742112535209) 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, 138371056266104 + 138371056266105.

It is an arithmetic number, because the mean of its divisors is an integer number (138371056266105).

Almost surely, 2^{276742112532209} is an apocalyptic number.

It is an amenable number.

276742112532209 is a deficient number, since it is larger than the sum of its proper divisors (1).

276742112532209 is an equidigital number, since it uses as much as digits as its factorization.

276742112532209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 276742112532209 in words is "two hundred seventy-six trillion, seven hundred forty-two billion, one hundred twelve million, five hundred thirty-two thousand, two hundred nine".