2109920803 has 8 divisors (see below), whose sum is σ = 2163883680. Its totient is φ = 2056077120.

The previous prime is 2109920789. The next prime is 2109920807. The reversal of 2109920803 is 3080299012.

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

It is a cyclic number.

It is not a de Polignac number, because 2109920803 - 2⁹ = 2109920291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109920807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6618 + ... + 65296.

It is an arithmetic number, because the mean of its divisors is an integer number (270485460).

Almost surely, 2^2109920803 is an apocalyptic number.

2109920803 is a deficient number, since it is larger than the sum of its proper divisors (53962877).

2109920803 is an equidigital number, since it uses as much as digits as its factorization.

2109920803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59597.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2109920803 is about 45933.8742433076. The cubic root of 2109920803 is about 1282.5925649871.

The spelling of 2109920803 in words is "two billion, one hundred nine million, nine hundred twenty thousand, eight hundred three".