9719720481 has 16 divisors (see below), whose sum is σ = 13048879104. Its totient is φ = 6435247824.

The previous prime is 9719720467. The next prime is 9719720497. The reversal of 9719720481 is 1840279179.

9719720481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9719720481 - 2⁵ = 9719720449 is a prime.

It is a super-2 number, since 2×9719720481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9719720481.

It is not an unprimeable number, because it can be changed into a prime (9719720401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720460 + ... + 733826.

It is an arithmetic number, because the mean of its divisors is an integer number (815554944).

Almost surely, 2^9719720481 is an apocalyptic number.

It is an amenable number.

9719720481 is a deficient number, since it is larger than the sum of its proper divisors (3329158623).

9719720481 is a wasteful number, since it uses less digits than its factorization.

9719720481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 9719720481 is about 98588.6427586870. The cubic root of 9719720481 is about 2134.1155253115.

The spelling of 9719720481 in words is "nine billion, seven hundred nineteen million, seven hundred twenty thousand, four hundred eighty-one".