2208043664623 has 2 divisors, whose sum is σ = 2208043664624. Its totient is φ = 2208043664622.

The previous prime is 2208043664543. The next prime is 2208043664627. The reversal of 2208043664623 is 3264663408022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2208043664623 - 2⁹ = 2208043664111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2208043664627) 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 as a sum of consecutive naturals, namely, 1104021832311 + 1104021832312.

It is an arithmetic number, because the mean of its divisors is an integer number (1104021832312).

Almost surely, 2^{2208043664623} is an apocalyptic number.

2208043664623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208043664623 is an equidigital number, since it uses as much as digits as its factorization.

2208043664623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 2208043664623 in words is "two trillion, two hundred eight billion, forty-three million, six hundred sixty-four thousand, six hundred twenty-three".