9479720911 has 4 divisors (see below), whose sum is σ = 9537878872. Its totient is φ = 9421562952.

The previous prime is 9479720903. The next prime is 9479720933. The reversal of 9479720911 is 1190279749.

9479720911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9479720911 - 2³ = 9479720903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479720951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29078736 + ... + 29079061.

It is an arithmetic number, because the mean of its divisors is an integer number (2384469718).

Almost surely, 2^9479720911 is an apocalyptic number.

9479720911 is a deficient number, since it is larger than the sum of its proper divisors (58157961).

9479720911 is a wasteful number, since it uses less digits than its factorization.

9479720911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58157960.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 9479720911 is about 97363.8583407622. The cubic root of 9479720911 is about 2116.4037248123.

The spelling of 9479720911 in words is "nine billion, four hundred seventy-nine million, seven hundred twenty thousand, nine hundred eleven".