2190360009 has 4 divisors (see below), whose sum is σ = 2920480016. Its totient is φ = 1460240004.

The previous prime is 2190359987. The next prime is 2190360013. The reversal of 2190360009 is 9000630912.

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 not a de Polignac number, because 2190360009 - 2⁹ = 2190359497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190360509) 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, 365059999 + ... + 365060004.

It is an arithmetic number, because the mean of its divisors is an integer number (730120004).

Almost surely, 2^2190360009 is an apocalyptic number.

It is an amenable number.

2190360009 is a deficient number, since it is larger than the sum of its proper divisors (730120007).

2190360009 is an equidigital number, since it uses as much as digits as its factorization.

2190360009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730120006.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 2190360009 is about 46801.2821298733. The cubic root of 2190360009 is about 1298.6890154634.

The spelling of 2190360009 in words is "two billion, one hundred ninety million, three hundred sixty thousand, nine".