2243504999 has 16 divisors (see below), whose sum is σ = 2375460864. Its totient is φ = 2115828000.

The previous prime is 2243504987. The next prime is 2243505049. The reversal of 2243504999 is 9994053422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243504999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243504959) 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 15 ways as a sum of consecutive naturals, for example, 243572 + ... + 252614.

It is an arithmetic number, because the mean of its divisors is an integer number (148466304).

Almost surely, 2^2243504999 is an apocalyptic number.

2243504999 is a deficient number, since it is larger than the sum of its proper divisors (131955865).

2243504999 is a wasteful number, since it uses less digits than its factorization.

2243504999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 2243504999 is about 47365.6521014965. The cubic root of 2243504999 is about 1309.1086139214.

The spelling of 2243504999 in words is "two billion, two hundred forty-three million, five hundred four thousand, nine hundred ninety-nine".