2182366909 has 4 divisors (see below), whose sum is σ = 2189475904. Its totient is φ = 2175257916.

The previous prime is 2182366903. The next prime is 2182366913. The reversal of 2182366909 is 9096632812.

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 a de Polignac number, because none of the positive numbers 2^k-2182366909 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 (2182366903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554037 + ... + 3554650.

It is an arithmetic number, because the mean of its divisors is an integer number (547368976).

Almost surely, 2^2182366909 is an apocalyptic number.

It is an amenable number.

2182366909 is a deficient number, since it is larger than the sum of its proper divisors (7108995).

2182366909 is an equidigital number, since it uses as much as digits as its factorization.

2182366909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108994.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2182366909 is about 46715.8100539849. The cubic root of 2182366909 is about 1297.1073570828.

The spelling of 2182366909 in words is "two billion, one hundred eighty-two million, three hundred sixty-six thousand, nine hundred nine".