5618201803 has 4 divisors (see below), whose sum is σ = 5948684280. Its totient is φ = 5287719328.

The previous prime is 5618201783. The next prime is 5618201819. The reversal of 5618201803 is 3081028165.

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 5618201803 - 2²¹ = 5616104651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618201843) 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, 165241213 + ... + 165241246.

It is an arithmetic number, because the mean of its divisors is an integer number (1487171070).

Almost surely, 2^5618201803 is an apocalyptic number.

5618201803 is a deficient number, since it is larger than the sum of its proper divisors (330482477).

5618201803 is a wasteful number, since it uses less digits than its factorization.

5618201803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330482476.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5618201803 is about 74954.6649849094. The cubic root of 5618201803 is about 1777.7299053062.

Adding to 5618201803 its reverse (3081028165), we get a palindrome (8699229968).

The spelling of 5618201803 in words is "five billion, six hundred eighteen million, two hundred one thousand, eight hundred three".