8397036281 has 2 divisors, whose sum is σ = 8397036282. Its totient is φ = 8397036280.

The previous prime is 8397036257. The next prime is 8397036293. The reversal of 8397036281 is 1826307938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8053267600 + 343768681 = 89740^2 + 18541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8397036281 is a prime.

It is a super-2 number, since 2×8397036281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8397036211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4198518140 + 4198518141.

It is an arithmetic number, because the mean of its divisors is an integer number (4198518141).

Almost surely, 2^8397036281 is an apocalyptic number.

It is an amenable number.

8397036281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8397036281 is an equidigital number, since it uses as much as digits as its factorization.

8397036281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 8397036281 is about 91635.3440600296. The cubic root of 8397036281 is about 2032.5536130317.

The spelling of 8397036281 in words is "eight billion, three hundred ninety-seven million, thirty-six thousand, two hundred eighty-one".