4046868721 has 16 divisors (see below), whose sum is σ = 4734028800. Its totient is φ = 3387882960.

The previous prime is 4046868697. The next prime is 4046868737. The reversal of 4046868721 is 1278686404.

4046868721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4046868721 - 2⁷ = 4046868593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4046868521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15130 + ... + 91228.

It is an arithmetic number, because the mean of its divisors is an integer number (295876800).

Almost surely, 2^4046868721 is an apocalyptic number.

It is an amenable number.

4046868721 is a deficient number, since it is larger than the sum of its proper divisors (687160079).

4046868721 is a wasteful number, since it uses less digits than its factorization.

4046868721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76284.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 4046868721 is about 63615.0038984515. The cubic root of 4046868721 is about 1593.5769478007.

The spelling of 4046868721 in words is "four billion, forty-six million, eight hundred sixty-eight thousand, seven hundred twenty-one".