2243777748085 has 4 divisors (see below), whose sum is σ = 2692533297708. Its totient is φ = 1795022198464.

The previous prime is 2243777748061. The next prime is 2243777748119. The reversal of 2243777748085 is 5808477773422.

2243777748085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251724965284 + 1992052782801 = 501722^2 + 1411401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243777748085 - 2³⁵ = 2209418009717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224377774804 + ... + 224377774813.

It is an arithmetic number, because the mean of its divisors is an integer number (673133324427).

Almost surely, 2^{2243777748085} is an apocalyptic number.

It is an amenable number.

2243777748085 is a deficient number, since it is larger than the sum of its proper divisors (448755549623).

2243777748085 is an equidigital number, since it uses as much as digits as its factorization.

2243777748085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448755549622.

The product of its (nonzero) digits is 147517440, while the sum is 64.

The spelling of 2243777748085 in words is "two trillion, two hundred forty-three billion, seven hundred seventy-seven million, seven hundred forty-eight thousand, eighty-five".