2220244561489 has 2 divisors, whose sum is σ = 2220244561490. Its totient is φ = 2220244561488.

The previous prime is 2220244561481. The next prime is 2220244561541. The reversal of 2220244561489 is 9841654420222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2184365761600 + 35878799889 = 1477960^2 + 189417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220244561489 - 2³ = 2220244561481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220244561481) 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, 1110122280744 + 1110122280745.

It is an arithmetic number, because the mean of its divisors is an integer number (1110122280745).

Almost surely, 2^{2220244561489} is an apocalyptic number.

It is an amenable number.

2220244561489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220244561489 is an equidigital number, since it uses as much as digits as its factorization.

2220244561489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 2220244561489 in words is "two trillion, two hundred twenty billion, two hundred forty-four million, five hundred sixty-one thousand, four hundred eighty-nine".