4246872021 has 24 divisors (see below), whose sum is σ = 7040067840. Its totient is φ = 2416621536.

The previous prime is 4246872011. The next prime is 4246872037. The reversal of 4246872021 is 1202786424.

4246872021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4246872021 - 2¹⁴ = 4246855637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4246872011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125970 + ... + 156083.

It is an arithmetic number, because the mean of its divisors is an integer number (293336160).

Almost surely, 2^4246872021 is an apocalyptic number.

It is an amenable number.

4246872021 is a deficient number, since it is larger than the sum of its proper divisors (2793195819).

4246872021 is a wasteful number, since it uses less digits than its factorization.

4246872021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282305 (or 282302 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 4246872021 is about 65168.0291323898. The cubic root of 4246872021 is about 1619.4084133935.

The spelling of 4246872021 in words is "four billion, two hundred forty-six million, eight hundred seventy-two thousand, twenty-one".