2089559803 has 4 divisors (see below), whose sum is σ = 2089860040. Its totient is φ = 2089259568.

The previous prime is 2089559783. The next prime is 2089559807. The reversal of 2089559803 is 3089559802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089559803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089559807) 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, 139425 + ... + 153682.

It is an arithmetic number, because the mean of its divisors is an integer number (522465010).

Almost surely, 2^2089559803 is an apocalyptic number.

2089559803 is a deficient number, since it is larger than the sum of its proper divisors (300237).

2089559803 is an equidigital number, since it uses as much as digits as its factorization.

2089559803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300236.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 2089559803 is about 45711.7031295050. The cubic root of 2089559803 is about 1278.4534958224.

Subtracting 2089559803 from its reverse (3089559802), we obtain a palindrome (999999999).

The spelling of 2089559803 in words is "two billion, eighty-nine million, five hundred fifty-nine thousand, eight hundred three".