8104774730281 has 2 divisors, whose sum is σ = 8104774730282. Its totient is φ = 8104774730280.

The previous prime is 8104774730279. The next prime is 8104774730287. The reversal of 8104774730281 is 1820374774018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4524486343056 + 3580288387225 = 2127084^2 + 1892165^2 .

It is a cyclic number.

It is not a de Polignac number, because 8104774730281 - 2¹ = 8104774730279 is a prime.

It is a super-2 number, since 2×8104774730281² (a number of 27 digits) contains 22 as substring.

Together with 8104774730279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8104774730287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4052387365140 + 4052387365141.

It is an arithmetic number, because the mean of its divisors is an integer number (4052387365141).

Almost surely, 2^{8104774730281} is an apocalyptic number.

It is an amenable number.

8104774730281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8104774730281 is an equidigital number, since it uses as much as digits as its factorization.

8104774730281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 8104774730281 in words is "eight trillion, one hundred four billion, seven hundred seventy-four million, seven hundred thirty thousand, two hundred eighty-one".