2213123625209 has 4 divisors (see below), whose sum is σ = 2529284143104. Its totient is φ = 1896963107316.

The previous prime is 2213123625151. The next prime is 2213123625239. The reversal of 2213123625209 is 9025263213122.

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.

It is a cyclic number.

It is not a de Polignac number, because 2213123625209 - 2¹² = 2213123621113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213123625239) 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 3 ways as a sum of consecutive naturals, for example, 158080258937 + ... + 158080258950.

It is an arithmetic number, because the mean of its divisors is an integer number (632321035776).

Almost surely, 2^{2213123625209} is an apocalyptic number.

It is an amenable number.

2213123625209 is a deficient number, since it is larger than the sum of its proper divisors (316160517895).

2213123625209 is an equidigital number, since it uses as much as digits as its factorization.

2213123625209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316160517894.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 2213123625209 in words is "two trillion, two hundred thirteen billion, one hundred twenty-three million, six hundred twenty-five thousand, two hundred nine".