2190544329 has 8 divisors (see below), whose sum is σ = 2928557632. Its totient is φ = 1456446960.

The previous prime is 2190544309. The next prime is 2190544331. The reversal of 2190544329 is 9234450912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2190544329 - 2³¹ = 43060681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2190544309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977677 + ... + 979914.

It is an arithmetic number, because the mean of its divisors is an integer number (366069704).

Almost surely, 2^2190544329 is an apocalyptic number.

It is an amenable number.

2190544329 is a deficient number, since it is larger than the sum of its proper divisors (738013303).

2190544329 is a wasteful number, since it uses less digits than its factorization.

2190544329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957967.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2190544329 is about 46803.2512652700. The cubic root of 2190544329 is about 1298.7254429067.

The spelling of 2190544329 in words is "two billion, one hundred ninety million, five hundred forty-four thousand, three hundred twenty-nine".