865348151316499 has 2 divisors, whose sum is σ = 865348151316500. Its totient is φ = 865348151316498.

The previous prime is 865348151316427. The next prime is 865348151316527. The reversal of 865348151316499 is 994613151843568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 865348151316499 - 2⁹ = 865348151315987 is a prime.

It is not a weakly prime, because it can be changed into another prime (865348151316199) 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, 432674075658249 + 432674075658250.

It is an arithmetic number, because the mean of its divisors is an integer number (432674075658250).

Almost surely, 2^{865348151316499} is an apocalyptic number.

865348151316499 is a deficient number, since it is larger than the sum of its proper divisors (1).

865348151316499 is an equidigital number, since it uses as much as digits as its factorization.

865348151316499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 671846400, while the sum is 73.

The spelling of 865348151316499 in words is "eight hundred sixty-five trillion, three hundred forty-eight billion, one hundred fifty-one million, three hundred sixteen thousand, four hundred ninety-nine".