2243549993 has 8 divisors (see below), whose sum is σ = 2405594880. Its totient is φ = 2084846400.

The previous prime is 2243549969. The next prime is 2243550013. The reversal of 2243549993 is 3999453422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243549993 - 2¹⁰ = 2243548969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2243549593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833933 + ... + 836618.

It is an arithmetic number, because the mean of its divisors is an integer number (300699360).

Almost surely, 2^2243549993 is an apocalyptic number.

It is an amenable number.

2243549993 is a deficient number, since it is larger than the sum of its proper divisors (162044887).

2243549993 is a wasteful number, since it uses less digits than its factorization.

2243549993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670647.

The product of its digits is 2099520, while the sum is 50.

The square root of 2243549993 is about 47366.1270635462. The cubic root of 2243549993 is about 1309.1173653526.

The spelling of 2243549993 in words is "two billion, two hundred forty-three million, five hundred forty-nine thousand, nine hundred ninety-three".