2189803517 has 8 divisors (see below), whose sum is σ = 2389416960. Its totient is φ = 1990280160.

The previous prime is 2189803433. The next prime is 2189803519. The reversal of 2189803517 is 7153089812.

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

It is not a de Polignac number, because 2189803517 - 2⁸ = 2189803261 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 (2189803519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34628 + ... + 74690.

It is an arithmetic number, because the mean of its divisors is an integer number (298677120).

Almost surely, 2^2189803517 is an apocalyptic number.

It is an amenable number.

2189803517 is a deficient number, since it is larger than the sum of its proper divisors (199613443).

2189803517 is a wasteful number, since it uses less digits than its factorization.

2189803517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45043.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 2189803517 is about 46795.3364877313. The cubic root of 2189803517 is about 1298.5790226984.

The spelling of 2189803517 in words is "two billion, one hundred eighty-nine million, eight hundred three thousand, five hundred seventeen".