2220841786591 has 2 divisors, whose sum is σ = 2220841786592. Its totient is φ = 2220841786590.

The previous prime is 2220841786577. The next prime is 2220841786621. The reversal of 2220841786591 is 1956871480222.

2220841786591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220841786591 - 2¹¹ = 2220841784543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220841786531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110420893295 + 1110420893296.

It is an arithmetic number, because the mean of its divisors is an integer number (1110420893296).

Almost surely, 2^{2220841786591} is an apocalyptic number.

2220841786591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220841786591 is an equidigital number, since it uses as much as digits as its factorization.

2220841786591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 2220841786591 in words is "two trillion, two hundred twenty billion, eight hundred forty-one million, seven hundred eighty-six thousand, five hundred ninety-one".