4686923021 has 24 divisors (see below), whose sum is σ = 5475812160. Its totient is φ = 3997192320.

The previous prime is 4686922973. The next prime is 4686923063. The reversal of 4686923021 is 1203296864.

It is not a de Polignac number, because 4686923021 - 2¹⁰ = 4686921997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4686923021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686923081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226901 + ... + 246693.

It is an arithmetic number, because the mean of its divisors is an integer number (228158840).

Almost surely, 2^4686923021 is an apocalyptic number.

It is an amenable number.

4686923021 is a deficient number, since it is larger than the sum of its proper divisors (788889139).

4686923021 is a wasteful number, since it uses less digits than its factorization.

4686923021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19937 (or 19926 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 4686923021 is about 68461.1058996274. The cubic root of 4686923021 is about 1673.5137059427.

The spelling of 4686923021 in words is "four billion, six hundred eighty-six million, nine hundred twenty-three thousand, twenty-one".