2118367663 has 2 divisors, whose sum is σ = 2118367664. Its totient is φ = 2118367662.

The previous prime is 2118367661. The next prime is 2118367751. The reversal of 2118367663 is 3667638112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2118367663 - 2¹ = 2118367661 is a prime.

Together with 2118367661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118367661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059183831 + 1059183832.

It is an arithmetic number, because the mean of its divisors is an integer number (1059183832).

Almost surely, 2^2118367663 is an apocalyptic number.

2118367663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118367663 is an equidigital number, since it uses as much as digits as its factorization.

2118367663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 2118367663 is about 46025.7282723478. The cubic root of 2118367663 is about 1284.3018636538.

The spelling of 2118367663 in words is "two billion, one hundred eighteen million, three hundred sixty-seven thousand, six hundred sixty-three".