9480722161 has 3 divisors (see below), whose sum is σ = 9480819531. Its totient is φ = 9480624792.

The previous prime is 9480722159. The next prime is 9480722177. The reversal of 9480722161 is 1612270849.

The square root of 9480722161 is 97369.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1612270849 = 7 ⋅230324407.

It can be written as a sum of positive squares in only one way, i.e., 9470987761 + 9734400 = 97319^2 + 3120^2 .

It is not a de Polignac number, because 9480722161 - 2¹ = 9480722159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9480722101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48685 + ... + 146053.

It is an arithmetic number, because the mean of its divisors is an integer number (3160273177).

Almost surely, 2^9480722161 is an apocalyptic number.

9480722161 is the 97369-th square number.

9480722161 is the 48685-th centered octagonal number.

It is an amenable number.

9480722161 is a deficient number, since it is larger than the sum of its proper divisors (97370).

9480722161 is an frugal number, since it uses more digits than its factorization.

9480722161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194738 (or 97369 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The cubic root of 9480722161 is about 2116.4782338494.

The spelling of 9480722161 in words is "nine billion, four hundred eighty million, seven hundred twenty-two thousand, one hundred sixty-one".