220044610516909 has 2 divisors, whose sum is σ = 220044610516910. Its totient is φ = 220044610516908.

The previous prime is 220044610516901. The next prime is 220044610516937. The reversal of 220044610516909 is 909615016440022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195250933061284 + 24793677455625 = 13973222^2 + 4979325^2 .

It is a cyclic number.

It is not a de Polignac number, because 220044610516909 - 2³ = 220044610516901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220044610516901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110022305258454 + 110022305258455.

It is an arithmetic number, because the mean of its divisors is an integer number (110022305258455).

Almost surely, 2^{220044610516909} is an apocalyptic number.

It is an amenable number.

220044610516909 is a deficient number, since it is larger than the sum of its proper divisors (1).

220044610516909 is an equidigital number, since it uses as much as digits as its factorization.

220044610516909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 220044610516909 in words is "two hundred twenty trillion, forty-four billion, six hundred ten million, five hundred sixteen thousand, nine hundred nine".