8299121022641 has 2 divisors, whose sum is σ = 8299121022642. Its totient is φ = 8299121022640.

The previous prime is 8299121022631. The next prime is 8299121022691. The reversal of 8299121022641 is 1462201219928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8103473155600 + 195647867041 = 2846660^2 + 442321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8299121022641 is a prime.

It is a super-2 number, since 2×8299121022641² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8299121022631) 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, 4149560511320 + 4149560511321.

It is an arithmetic number, because the mean of its divisors is an integer number (4149560511321).

Almost surely, 2^{8299121022641} is an apocalyptic number.

It is an amenable number.

8299121022641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8299121022641 is an equidigital number, since it uses as much as digits as its factorization.

8299121022641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 8299121022641 in words is "eight trillion, two hundred ninety-nine billion, one hundred twenty-one million, twenty-two thousand, six hundred forty-one".