4394284108217 has 8 divisors (see below), whose sum is σ = 4485825154440. Its totient is φ = 4303372210560.

The previous prime is 4394284108213. The next prime is 4394284108223. The reversal of 4394284108217 is 7128014824934.

It can be written as a sum of positive squares in 4 ways, for example, as 1303663851961 + 3090620256256 = 1141781^2 + 1758016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4394284108217 - 2² = 4394284108213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394284108213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157273028 + ... + 157300965.

It is an arithmetic number, because the mean of its divisors is an integer number (560728144305).

Almost surely, 2^{4394284108217} is an apocalyptic number.

It is an amenable number.

4394284108217 is a deficient number, since it is larger than the sum of its proper divisors (91541046223).

4394284108217 is a wasteful number, since it uses less digits than its factorization.

4394284108217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314574283.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 4394284108217 in words is "four trillion, three hundred ninety-four billion, two hundred eighty-four million, one hundred eight thousand, two hundred seventeen".