2208640559999 has 4 divisors (see below), whose sum is σ = 2230083672336. Its totient is φ = 2187197447664.

The previous prime is 2208640559969. The next prime is 2208640560037. The reversal of 2208640559999 is 9999550468022.

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

It is a cyclic number.

It is not a de Polignac number, because 2208640559999 - 2¹² = 2208640555903 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 (2208640559969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10721556014 + ... + 10721556219.

It is an arithmetic number, because the mean of its divisors is an integer number (557520918084).

Almost surely, 2^{2208640559999} is an apocalyptic number.

2208640559999 is a deficient number, since it is larger than the sum of its proper divisors (21443112337).

2208640559999 is a wasteful number, since it uses less digits than its factorization.

2208640559999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443112336.

The product of its (nonzero) digits is 125971200, while the sum is 68.

The spelling of 2208640559999 in words is "two trillion, two hundred eight billion, six hundred forty million, five hundred fifty-nine thousand, nine hundred ninety-nine".