2196399903 has 16 divisors (see below), whose sum is σ = 2980464000. Its totient is φ = 1438339680.

The previous prime is 2196399899. The next prime is 2196399917. The reversal of 2196399903 is 3099936912.

It is a happy number.

It is not a de Polignac number, because 2196399903 - 2² = 2196399899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196399923) 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 15 ways as a sum of consecutive naturals, for example, 270168 + ... + 278178.

It is an arithmetic number, because the mean of its divisors is an integer number (186279000).

Almost surely, 2^2196399903 is an apocalyptic number.

2196399903 is a deficient number, since it is larger than the sum of its proper divisors (784064097).

2196399903 is a wasteful number, since it uses less digits than its factorization.

2196399903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622.

The product of its (nonzero) digits is 708588, while the sum is 51.

The square root of 2196399903 is about 46865.7647222362. The cubic root of 2196399903 is about 1299.8816268943.

The spelling of 2196399903 in words is "two billion, one hundred ninety-six million, three hundred ninety-nine thousand, nine hundred three".