2911795289281 has 2 divisors, whose sum is σ = 2911795289282. Its totient is φ = 2911795289280.

The previous prime is 2911795289257. The next prime is 2911795289323. The reversal of 2911795289281 is 1829825971192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1796203050625 + 1115592238656 = 1340225^2 + 1056216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2911795289281 - 2⁷ = 2911795289153 is a prime.

It is a super-2 number, since 2×2911795289281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2911795389281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1455897644640 + 1455897644641.

It is an arithmetic number, because the mean of its divisors is an integer number (1455897644641).

Almost surely, 2^{2911795289281} is an apocalyptic number.

It is an amenable number.

2911795289281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2911795289281 is an equidigital number, since it uses as much as digits as its factorization.

2911795289281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 64.

The spelling of 2911795289281 in words is "two trillion, nine hundred eleven billion, seven hundred ninety-five million, two hundred eighty-nine thousand, two hundred eighty-one".