8291048281 has 2 divisors, whose sum is σ = 8291048282. Its totient is φ = 8291048280.

The previous prime is 8291048273. The next prime is 8291048309. The reversal of 8291048281 is 1828401928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5075137600 + 3215910681 = 71240^2 + 56709^2 .

It is a cyclic number.

It is not a de Polignac number, because 8291048281 - 2³ = 8291048273 is a prime.

It is a super-2 number, since 2×8291048281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8291048251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4145524140 + 4145524141.

It is an arithmetic number, because the mean of its divisors is an integer number (4145524141).

Almost surely, 2^8291048281 is an apocalyptic number.

It is an amenable number.

8291048281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8291048281 is an equidigital number, since it uses as much as digits as its factorization.

8291048281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 8291048281 is about 91055.1935970706. The cubic root of 8291048281 is about 2023.9656989850.

The spelling of 8291048281 in words is "eight billion, two hundred ninety-one million, forty-eight thousand, two hundred eighty-one".