4312047355217 has 6 divisors (see below), whose sum is σ = 5016055086738. Its totient is φ = 3696040590144.

The previous prime is 4312047355141. The next prime is 4312047355249. The reversal of 4312047355217 is 7125537402134.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2592843873361 + 1719203481856 = 1610231^2 + 1311184^2 .

It is not a de Polignac number, because 4312047355217 - 2¹² = 4312047351121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4312047355267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44000483168 + ... + 44000483265.

It is an arithmetic number, because the mean of its divisors is an integer number (836009181123).

Almost surely, 2^{4312047355217} is an apocalyptic number.

It is an amenable number.

4312047355217 is a deficient number, since it is larger than the sum of its proper divisors (704007731521).

4312047355217 is an equidigital number, since it uses as much as digits as its factorization.

4312047355217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88000966447 (or 88000966440 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 4312047355217 in words is "four trillion, three hundred twelve billion, forty-seven million, three hundred fifty-five thousand, two hundred seventeen".