5191749842844 has 24 divisors (see below), whose sum is σ = 12114171247360. Its totient is φ = 1730570669424.

The previous prime is 5191749842761. The next prime is 5191749842947. The reversal of 5191749842844 is 4482489471915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220797 + ... + 3229899.

Almost surely, 2^{5191749842844} is an apocalyptic number.

It is an amenable number.

5191749842844 is an abundant number, since it is smaller than the sum of its proper divisors (6922421404516).

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

5191749842844 is a wasteful number, since it uses less digits than its factorization.

5191749842844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152889 (or 3152887 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 5191749842844 in words is "five trillion, one hundred ninety-one billion, seven hundred forty-nine million, eight hundred forty-two thousand, eight hundred forty-four".