4891243500 has 432 divisors, whose sum is σ = 18291602784. Its totient is φ = 1092960000.

The previous prime is 4891243477. The next prime is 4891243523. The reversal of 4891243500 is 53421984.

4891243500 is a `hidden beast` number, since 48 + 91 + 24 + 3 + 500 = 666.

It is an interprime number because it is at equal distance from previous prime (4891243477) and next prime (4891243523).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7078155 + ... + 7078845.

Almost surely, 2^4891243500 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 4891243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9145801392).

4891243500 is an abundant number, since it is smaller than the sum of its proper divisors (13400359284).

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

4891243500 is a wasteful number, since it uses less digits than its factorization.

4891243500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4891243500 is about 69937.4256031776. The cubic root of 4891243500 is about 1697.4868864590.

The spelling of 4891243500 in words is "four billion, eight hundred ninety-one million, two hundred forty-three thousand, five hundred".