4121995803 has 16 divisors (see below), whose sum is σ = 5635857696. Its totient is φ = 2678204160.

The previous prime is 4121995789. The next prime is 4121995811. The reversal of 4121995803 is 3085991214.

It is not a de Polignac number, because 4121995803 - 2¹⁴ = 4121979419 is a prime.

It is a super-2 number, since 2×4121995803² = 33981698799899229618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4121994803) 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, 105825 + ... + 139437.

It is an arithmetic number, because the mean of its divisors is an integer number (352241106).

Almost surely, 2^4121995803 is an apocalyptic number.

4121995803 is a deficient number, since it is larger than the sum of its proper divisors (1513861893).

4121995803 is a wasteful number, since it uses less digits than its factorization.

4121995803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34654.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 4121995803 is about 64202.7709916013. The cubic root of 4121995803 is about 1603.3777344831.

The spelling of 4121995803 in words is "four billion, one hundred twenty-one million, nine hundred ninety-five thousand, eight hundred three".