4919385000 has 320 divisors, whose sum is σ = 16610932800. Its totient is φ = 1209600000.

The previous prime is 4919384983. The next prime is 4919385007. The reversal of 4919385000 is 5839194.

It is a self number, because there is not a number n which added to its sum of digits gives 4919385000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919385007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11684790 + ... + 11685210.

It is an arithmetic number, because the mean of its divisors is an integer number (51909165).

Almost surely, 2^4919385000 is an apocalyptic number.

4919385000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4919385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8305466400).

4919385000 is an abundant number, since it is smaller than the sum of its proper divisors (11691547800).

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

4919385000 is a wasteful number, since it uses less digits than its factorization.

4919385000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 4919385000 is about 70138.3276105155. The cubic root of 4919385000 is about 1700.7361287180.

The spelling of 4919385000 in words is "four billion, nine hundred nineteen million, three hundred eighty-five thousand".