5194986816 has 224 divisors, whose sum is σ = 14794260480. Its totient is φ = 1605187584.

The previous prime is 5194986791. The next prime is 5194986829. The reversal of 5194986816 is 6186894915.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 33089010 + ... + 33089166.

Almost surely, 2^5194986816 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 5194986816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7397130240).

5194986816 is an abundant number, since it is smaller than the sum of its proper divisors (9599273664).

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

5194986816 is a wasteful number, since it uses less digits than its factorization.

5194986816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 371 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 5194986816 is about 72076.2569505382. The cubic root of 5194986816 is about 1731.9212860273.

The spelling of 5194986816 in words is "five billion, one hundred ninety-four million, nine hundred eighty-six thousand, eight hundred sixteen".