2218707036671 has 2 divisors, whose sum is σ = 2218707036672. Its totient is φ = 2218707036670.

The previous prime is 2218707036647. The next prime is 2218707036677. The reversal of 2218707036671 is 1766307078122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218707036671 - 2¹⁴ = 2218707020287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218707036677) 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, 1109353518335 + 1109353518336.

It is an arithmetic number, because the mean of its divisors is an integer number (1109353518336).

Almost surely, 2^{2218707036671} is an apocalyptic number.

2218707036671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218707036671 is an equidigital number, since it uses as much as digits as its factorization.

2218707036671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 2218707036671 in words is "two trillion, two hundred eighteen billion, seven hundred seven million, thirty-six thousand, six hundred seventy-one".