2243203513 has 4 divisors (see below), whose sum is σ = 2243299408. Its totient is φ = 2243107620.

The previous prime is 2243203471. The next prime is 2243203519. The reversal of 2243203513 is 3153023422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243203513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243203519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778 + ... + 68188.

It is an arithmetic number, because the mean of its divisors is an integer number (560824852).

Almost surely, 2^2243203513 is an apocalyptic number.

It is an amenable number.

2243203513 is a deficient number, since it is larger than the sum of its proper divisors (95895).

2243203513 is an equidigital number, since it uses as much as digits as its factorization.

2243203513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95894.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2243203513 is about 47362.4694563111. The cubic root of 2243203513 is about 1309.0499712172.

Adding to 2243203513 its reverse (3153023422), we get a palindrome (5396226935).

The spelling of 2243203513 in words is "two billion, two hundred forty-three million, two hundred three thousand, five hundred thirteen".