299665460797 has 2 divisors, whose sum is σ = 299665460798. Its totient is φ = 299665460796.

The previous prime is 299665460791. The next prime is 299665460827. The reversal of 299665460797 is 797064566992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225111342681 + 74554118116 = 474459^2 + 273046^2 .

It is a cyclic number.

It is not a de Polignac number, because 299665460797 - 2²⁷ = 299531243069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299665460791) 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, 149832730398 + 149832730399.

It is an arithmetic number, because the mean of its divisors is an integer number (149832730399).

Almost surely, 2^299665460797 is an apocalyptic number.

It is an amenable number.

299665460797 is a deficient number, since it is larger than the sum of its proper divisors (1).

299665460797 is an equidigital number, since it uses as much as digits as its factorization.

299665460797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308629440, while the sum is 70.

The spelling of 299665460797 in words is "two hundred ninety-nine billion, six hundred sixty-five million, four hundred sixty thousand, seven hundred ninety-seven".