276161014861 has 2 divisors, whose sum is σ = 276161014862. Its totient is φ = 276161014860.

The previous prime is 276161014817. The next prime is 276161014867. The reversal of 276161014861 is 168410161672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214281964836 + 61879050025 = 462906^2 + 248755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276161014861 is a prime.

It is a super-2 number, since 2×276161014861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276161014867) 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, 138080507430 + 138080507431.

It is an arithmetic number, because the mean of its divisors is an integer number (138080507431).

Almost surely, 2^276161014861 is an apocalyptic number.

It is an amenable number.

276161014861 is a deficient number, since it is larger than the sum of its proper divisors (1).

276161014861 is an equidigital number, since it uses as much as digits as its factorization.

276161014861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 276161014861 in words is "two hundred seventy-six billion, one hundred sixty-one million, fourteen thousand, eight hundred sixty-one".