276240418651 has 2 divisors, whose sum is σ = 276240418652. Its totient is φ = 276240418650.

The previous prime is 276240418637. The next prime is 276240418697. The reversal of 276240418651 is 156814042672.

It is an a-pointer prime, because the next prime (276240418697) can be obtained adding 276240418651 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276240418651 - 2¹⁹ = 276239894363 is a prime.

It is not a weakly prime, because it can be changed into another prime (276240418621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138120209325 + 138120209326.

It is an arithmetic number, because the mean of its divisors is an integer number (138120209326).

Almost surely, 2^276240418651 is an apocalyptic number.

276240418651 is a deficient number, since it is larger than the sum of its proper divisors (1).

276240418651 is an equidigital number, since it uses as much as digits as its factorization.

276240418651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 276240418651 in words is "two hundred seventy-six billion, two hundred forty million, four hundred eighteen thousand, six hundred fifty-one".