4921589484 has 240 divisors, whose sum is σ = 15226810368. Its totient is φ = 1356849792.

The previous prime is 4921589461. The next prime is 4921589501. The reversal of 4921589484 is 4849851294.

It is a happy number.

4921589484 is a `hidden beast` number, since 4 + 9 + 2 + 158 + 9 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4921589484.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 18713137 + ... + 18713399.

Almost surely, 2^4921589484 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 4921589484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7613405184).

4921589484 is an abundant number, since it is smaller than the sum of its proper divisors (10305220884).

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

4921589484 is a wasteful number, since it uses less digits than its factorization.

4921589484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 535 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 4921589484 is about 70154.0411095469. The cubic root of 4921589484 is about 1700.9901364638.

The spelling of 4921589484 in words is "four billion, nine hundred twenty-one million, five hundred eighty-nine thousand, four hundred eighty-four".