2199971603 has 4 divisors (see below), whose sum is σ = 2204345808. Its totient is φ = 2195597400.

The previous prime is 2199971561. The next prime is 2199971617. The reversal of 2199971603 is 3061799912.

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 2199971603 - 2¹⁶ = 2199906067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199971623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186348 + ... + 2187353.

It is an arithmetic number, because the mean of its divisors is an integer number (551086452).

Almost surely, 2^2199971603 is an apocalyptic number.

2199971603 is a deficient number, since it is larger than the sum of its proper divisors (4374205).

2199971603 is an equidigital number, since it uses as much as digits as its factorization.

2199971603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374204.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 2199971603 is about 46903.8548842203. The cubic root of 2199971603 is about 1300.5858509341.

The spelling of 2199971603 in words is "two billion, one hundred ninety-nine million, nine hundred seventy-one thousand, six hundred three".