5191819768 has 16 divisors (see below), whose sum is σ = 10247013000. Its totient is φ = 2459282976.

The previous prime is 5191819733. The next prime is 5191819811. The reversal of 5191819768 is 8679181915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17078203 + ... + 17078506.

Almost surely, 2^5191819768 is an apocalyptic number.

It is an amenable number.

5191819768 is a deficient number, since it is larger than the sum of its proper divisors (5055193232).

5191819768 is a wasteful number, since it uses less digits than its factorization.

5191819768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34156734 (or 34156730 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 55.

The square root of 5191819768 is about 72054.2834812754. The cubic root of 5191819768 is about 1731.5692676264.

The spelling of 5191819768 in words is "five billion, one hundred ninety-one million, eight hundred nineteen thousand, seven hundred sixty-eight".