276539378873 has 2 divisors, whose sum is σ = 276539378874. Its totient is φ = 276539378872.

The previous prime is 276539378867. The next prime is 276539378891. The reversal of 276539378873 is 378873935672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178242707344 + 98296671529 = 422188^2 + 313523^2 .

It is a cyclic number.

It is not a de Polignac number, because 276539378873 - 2⁶ = 276539378809 is a prime.

It is not a weakly prime, because it can be changed into another prime (276539378803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138269689436 + 138269689437.

It is an arithmetic number, because the mean of its divisors is an integer number (138269689437).

Almost surely, 2^276539378873 is an apocalyptic number.

It is an amenable number.

276539378873 is a deficient number, since it is larger than the sum of its proper divisors (1).

276539378873 is an equidigital number, since it uses as much as digits as its factorization.

276539378873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320060160, while the sum is 68.

The spelling of 276539378873 in words is "two hundred seventy-six billion, five hundred thirty-nine million, three hundred seventy-eight thousand, eight hundred seventy-three".