865348151250943 has 2 divisors, whose sum is σ = 865348151250944. Its totient is φ = 865348151250942.

The previous prime is 865348151250929. The next prime is 865348151250953. The reversal of 865348151250943 is 349052151843568.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865348151250943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865348151250953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432674075625471 + 432674075625472.

It is an arithmetic number, because the mean of its divisors is an integer number (432674075625472).

Almost surely, 2^{865348151250943} is an apocalyptic number.

865348151250943 is a deficient number, since it is larger than the sum of its proper divisors (1).

865348151250943 is an equidigital number, since it uses as much as digits as its factorization.

865348151250943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416000, while the sum is 64.

The spelling of 865348151250943 in words is "eight hundred sixty-five trillion, three hundred forty-eight billion, one hundred fifty-one million, two hundred fifty thousand, nine hundred forty-three".