4981819536 has 120 divisors (see below), whose sum is σ = 15238738944. Its totient is φ = 1512483840.

The previous prime is 4981819529. The next prime is 4981819541. The reversal of 4981819536 is 6359181894.

4981819536 is a `hidden beast` number, since 4 + 98 + 1 + 8 + 19 + 536 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43065 + ... + 108711.

Almost surely, 2^4981819536 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 4981819536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7619369472).

4981819536 is an abundant number, since it is smaller than the sum of its proper divisors (10256919408).

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

4981819536 is a wasteful number, since it uses less digits than its factorization.

4981819536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65709 (or 65700 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 4981819536 is about 70582.0057521745. The cubic root of 4981819536 is about 1707.9008858603.

The spelling of 4981819536 in words is "four billion, nine hundred eighty-one million, eight hundred nineteen thousand, five hundred thirty-six".