4398042316817 has 2 divisors, whose sum is σ = 4398042316818. Its totient is φ = 4398042316816.

The previous prime is 4398042316799. The next prime is 4398042316819. The reversal of 4398042316817 is 7186132408934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4398042316801 + 16 = 2097151^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 4398042316817 - 2²⁰ = 4398041268241 is a prime.

It is a super-2 number, since 2×4398042316817² (a number of 26 digits) contains 22 as substring.

Together with 4398042316819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4398042316819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199021158408 + 2199021158409.

It is an arithmetic number, because the mean of its divisors is an integer number (2199021158409).

Almost surely, 2^{4398042316817} is an apocalyptic number.

It is an amenable number.

4398042316817 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398042316817 is an equidigital number, since it uses as much as digits as its factorization.

4398042316817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 4398042316817 in words is "four trillion, three hundred ninety-eight billion, forty-two million, three hundred sixteen thousand, eight hundred seventeen".