4312863318349 has 2 divisors, whose sum is σ = 4312863318350. Its totient is φ = 4312863318348.

The previous prime is 4312863318293. The next prime is 4312863318371. The reversal of 4312863318349 is 9438133682134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3078908921124 + 1233954397225 = 1754682^2 + 1110835^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312863318349 - 2²⁹ = 4312326447437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4312863318349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312863718349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156431659174 + 2156431659175.

It is an arithmetic number, because the mean of its divisors is an integer number (2156431659175).

Almost surely, 2^{4312863318349} is an apocalyptic number.

It is an amenable number.

4312863318349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312863318349 is an equidigital number, since it uses as much as digits as its factorization.

4312863318349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 55.

The spelling of 4312863318349 in words is "four trillion, three hundred twelve billion, eight hundred sixty-three million, three hundred eighteen thousand, three hundred forty-nine".