4921854100 has 72 divisors (see below), whose sum is σ = 10941799680. Its totient is φ = 1920827520.

The previous prime is 4921854043. The next prime is 4921854121. The reversal of 4921854100 is 14581294.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1685842 + ... + 1688758.

It is an arithmetic number, because the mean of its divisors is an integer number (151969440).

Almost surely, 2^4921854100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4921854100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5470899840).

4921854100 is an abundant number, since it is smaller than the sum of its proper divisors (6019945580).

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

4921854100 is a wasteful number, since it uses less digits than its factorization.

4921854100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4921854100 is about 70155.9270482544. The cubic root of 4921854100 is about 1701.0206212723.

The spelling of 4921854100 in words is "four billion, nine hundred twenty-one million, eight hundred fifty-four thousand, one hundred".