2170218668383 has 2 divisors, whose sum is σ = 2170218668384. Its totient is φ = 2170218668382.

The previous prime is 2170218668369. The next prime is 2170218668419. The reversal of 2170218668383 is 3838668120712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2170218668383 - 2¹³ = 2170218660191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2170218668353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085109334191 + 1085109334192.

It is an arithmetic number, because the mean of its divisors is an integer number (1085109334192).

Almost surely, 2^{2170218668383} is an apocalyptic number.

2170218668383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170218668383 is an equidigital number, since it uses as much as digits as its factorization.

2170218668383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 2170218668383 in words is "two trillion, one hundred seventy billion, two hundred eighteen million, six hundred sixty-eight thousand, three hundred eighty-three".