5198821386 has 48 divisors (see below), whose sum is σ = 11449742304. Its totient is φ = 1572516000.

The previous prime is 5198821351. The next prime is 5198821417. The reversal of 5198821386 is 6831288915.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408276 + ... + 420816.

It is an arithmetic number, because the mean of its divisors is an integer number (238536298).

Almost surely, 2^5198821386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5198821386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5724871152).

5198821386 is an abundant number, since it is smaller than the sum of its proper divisors (6250920918).

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

5198821386 is a wasteful number, since it uses less digits than its factorization.

5198821386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139 (or 13128 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 5198821386 is about 72102.8528284422. The cubic root of 5198821386 is about 1732.3473082866.

The spelling of 5198821386 in words is "five billion, one hundred ninety-eight million, eight hundred twenty-one thousand, three hundred eighty-six".