5081579943696 has 135 divisors (see below), whose sum is σ = 15010771643751. Its totient is φ = 1604547150912.

The previous prime is 5081579943673. The next prime is 5081579943697. The reversal of 5081579943696 is 6963499751805.

The square root of 5081579943696 is 2254236.

It is a perfect power (a square), and thus also a powerful number.

5081579943696 is a `hidden beast` number, since 5 + 0 + 8 + 1 + 579 + 9 + 43 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (5081579943697) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 513960865 + ... + 513970751.

Almost surely, 2^{5081579943696} is an apocalyptic number.

5081579943696 is the 2254236-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5081579943696

5081579943696 is an abundant number, since it is smaller than the sum of its proper divisors (9929191700055).

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

5081579943696 is an frugal number, since it uses more digits than its factorization.

5081579943696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19826 (or 9911 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 72.

The spelling of 5081579943696 in words is "five trillion, eighty-one billion, five hundred seventy-nine million, nine hundred forty-three thousand, six hundred ninety-six".