2816005258481 has 2 divisors, whose sum is σ = 2816005258482. Its totient is φ = 2816005258480.

The previous prime is 2816005258459. The next prime is 2816005258529. The reversal of 2816005258481 is 1848525006182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2561651466256 + 254353792225 = 1600516^2 + 504335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2816005258481 is a prime.

It is a super-2 number, since 2×2816005258481² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2816005251481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408002629240 + 1408002629241.

It is an arithmetic number, because the mean of its divisors is an integer number (1408002629241).

Almost surely, 2^{2816005258481} is an apocalyptic number.

It is an amenable number.

2816005258481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816005258481 is an equidigital number, since it uses as much as digits as its factorization.

2816005258481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 2816005258481 in words is "two trillion, eight hundred sixteen billion, five million, two hundred fifty-eight thousand, four hundred eighty-one".