5191312920 has 64 divisors (see below), whose sum is σ = 15578853120. Its totient is φ = 1383913344.

The previous prime is 5191312913. The next prime is 5191312963. The reversal of 5191312920 is 292131915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596037 + ... + 604683.

It is an arithmetic number, because the mean of its divisors is an integer number (243419580).

Almost surely, 2^5191312920 is an apocalyptic number.

It is an amenable number.

5191312920 is an abundant number, since it is smaller than the sum of its proper divisors (10387540200).

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

5191312920 is a wasteful number, since it uses less digits than its factorization.

5191312920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664 (or 13660 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 5191312920 is about 72050.7662693465. The cubic root of 5191312920 is about 1731.5129180212.

The spelling of 5191312920 in words is "five billion, one hundred ninety-one million, three hundred twelve thousand, nine hundred twenty".