2216626017659 has 2 divisors, whose sum is σ = 2216626017660. Its totient is φ = 2216626017658.

The previous prime is 2216626017649. The next prime is 2216626017743. The reversal of 2216626017659 is 9567106266122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216626017659 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2216626017659.

It is not a weakly prime, because it can be changed into another prime (2216626017629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108313008829 + 1108313008830.

It is an arithmetic number, because the mean of its divisors is an integer number (1108313008830).

Almost surely, 2^{2216626017659} is an apocalyptic number.

2216626017659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216626017659 is an equidigital number, since it uses as much as digits as its factorization.

2216626017659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 2216626017659 in words is "two trillion, two hundred sixteen billion, six hundred twenty-six million, seventeen thousand, six hundred fifty-nine".