4921844916 has 12 divisors (see below), whose sum is σ = 11484304832. Its totient is φ = 1640614968.

The previous prime is 4921844867. The next prime is 4921844923. The reversal of 4921844916 is 6194481294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205076860 + ... + 205076883.

Almost surely, 2^4921844916 is an apocalyptic number.

It is an amenable number.

4921844916 is an abundant number, since it is smaller than the sum of its proper divisors (6562459916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4921844916 is a wasteful number, since it uses less digits than its factorization.

4921844916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410153750 (or 410153748 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 4921844916 is about 70155.8615940251. The cubic root of 4921844916 is about 1701.0195632576.

The spelling of 4921844916 in words is "four billion, nine hundred twenty-one million, eight hundred forty-four thousand, nine hundred sixteen".