5129758368 has 72 divisors (see below), whose sum is σ = 16671721248. Its totient is φ = 1465644672.

The previous prime is 5129758331. The next prime is 5129758373. The reversal of 5129758368 is 8638579215.

5129758368 is a `hidden beast` number, since 51 + 2 + 9 + 7 + 583 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270246 + ... + 1274277.

It is an arithmetic number, because the mean of its divisors is an integer number (231551684).

Almost surely, 2^5129758368 is an apocalyptic number.

It is an amenable number.

5129758368 is an abundant number, since it is smaller than the sum of its proper divisors (11541962880).

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

5129758368 is a wasteful number, since it uses less digits than its factorization.

5129758368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544546 (or 2544535 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 5129758368 is about 71622.3314895571. The cubic root of 5129758368 is about 1724.6420449445.

The spelling of 5129758368 in words is "five billion, one hundred twenty-nine million, seven hundred fifty-eight thousand, three hundred sixty-eight".