8247981608653 has 2 divisors, whose sum is σ = 8247981608654. Its totient is φ = 8247981608652.

The previous prime is 8247981608641. The next prime is 8247981608683. The reversal of 8247981608653 is 3568061897428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5273829576324 + 2974152032329 = 2296482^2 + 1724573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8247981608653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8247981608623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4123990804326 + 4123990804327.

It is an arithmetic number, because the mean of its divisors is an integer number (4123990804327).

It is a 1-persistent number, because it is pandigital, but 2⋅8247981608653 = 16495963217306 is not.

Almost surely, 2^{8247981608653} is an apocalyptic number.

It is an amenable number.

8247981608653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8247981608653 is an equidigital number, since it uses as much as digits as its factorization.

8247981608653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 8247981608653 in words is "eight trillion, two hundred forty-seven billion, nine hundred eighty-one million, six hundred eight thousand, six hundred fifty-three".