2220851765593 has 2 divisors, whose sum is σ = 2220851765594. Its totient is φ = 2220851765592.

The previous prime is 2220851765569. The next prime is 2220851765599. The reversal of 2220851765593 is 3955671580222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736565212944 + 484286552649 = 1317788^2 + 695907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220851765593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220851765599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110425882796 + 1110425882797.

It is an arithmetic number, because the mean of its divisors is an integer number (1110425882797).

Almost surely, 2^{2220851765593} is an apocalyptic number.

It is an amenable number.

2220851765593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220851765593 is an equidigital number, since it uses as much as digits as its factorization.

2220851765593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 2220851765593 in words is "two trillion, two hundred twenty billion, eight hundred fifty-one million, seven hundred sixty-five thousand, five hundred ninety-three".