2193280272109 has 4 divisors (see below), whose sum is σ = 2193565158400. Its totient is φ = 2192995385820.

The previous prime is 2193280272059. The next prime is 2193280272193. The reversal of 2193280272109 is 9012720823912.

It is a happy number.

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 2193280272109 - 2⁷ = 2193280271981 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 (2193280972109) 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, 142431597 + ... + 142446994.

It is an arithmetic number, because the mean of its divisors is an integer number (548391289600).

Almost surely, 2^{2193280272109} is an apocalyptic number.

It is an amenable number.

2193280272109 is a deficient number, since it is larger than the sum of its proper divisors (284886291).

2193280272109 is an equidigital number, since it uses as much as digits as its factorization.

2193280272109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284886290.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 2193280272109 in words is "two trillion, one hundred ninety-three billion, two hundred eighty million, two hundred seventy-two thousand, one hundred nine".