8280394093 has 2 divisors, whose sum is σ = 8280394094. Its totient is φ = 8280394092.

The previous prime is 8280394079. The next prime is 8280394139. The reversal of 8280394093 is 3904930828.

It is an a-pointer prime, because the next prime (8280394139) can be obtained adding 8280394093 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7545875689 + 734518404 = 86867^2 + 27102^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280394093 - 2⁵ = 8280394061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8280994093) 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, 4140197046 + 4140197047.

It is an arithmetic number, because the mean of its divisors is an integer number (4140197047).

Almost surely, 2^8280394093 is an apocalyptic number.

It is an amenable number.

8280394093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280394093 is an equidigital number, since it uses as much as digits as its factorization.

8280394093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 8280394093 is about 90996.6707797598. The cubic root of 8280394093 is about 2023.0983798575.

The spelling of 8280394093 in words is "eight billion, two hundred eighty million, three hundred ninety-four thousand, ninety-three".