2190544327 has 4 divisors (see below), whose sum is σ = 2221397136. Its totient is φ = 2159691520.

The previous prime is 2190544309. The next prime is 2190544331. The reversal of 2190544327 is 7234450912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2190544327 - 2⁷ = 2190544199 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 (2190545327) 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, 15426298 + ... + 15426439.

It is an arithmetic number, because the mean of its divisors is an integer number (555349284).

Almost surely, 2^2190544327 is an apocalyptic number.

2190544327 is a deficient number, since it is larger than the sum of its proper divisors (30852809).

2190544327 is an equidigital number, since it uses as much as digits as its factorization.

2190544327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30852808.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2190544327 is about 46803.2512439040. The cubic root of 2190544327 is about 1298.7254425114.

The spelling of 2190544327 in words is "two billion, one hundred ninety million, five hundred forty-four thousand, three hundred twenty-seven".