4191798930 has 64 divisors (see below), whose sum is σ = 10997849088. Its totient is φ = 1014068160.

The previous prime is 4191798929. The next prime is 4191799009. The reversal of 4191798930 is 398971914.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147669 + ... + 173751.

It is an arithmetic number, because the mean of its divisors is an integer number (171841392).

Almost surely, 2^4191798930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4191798930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5498924544).

4191798930 is an abundant number, since it is smaller than the sum of its proper divisors (6806050158).

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

4191798930 is a wasteful number, since it uses less digits than its factorization.

4191798930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26591.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 4191798930 is about 64744.1034380738. The cubic root of 4191798930 is about 1612.3778156323.

The spelling of 4191798930 in words is "four billion, one hundred ninety-one million, seven hundred ninety-eight thousand, nine hundred thirty".