9317980321 has 4 divisors (see below), whose sum is σ = 10034748052. Its totient is φ = 8601212592.

The previous prime is 9317980319. The next prime is 9317980367. The reversal of 9317980321 is 1230897139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1230897139 = 1117 ⋅1101967.

It can be written as a sum of positive squares in 2 ways, for example, as 6310554721 + 3007425600 = 79439^2 + 54840^2 .

It is a cyclic number.

It is not a de Polignac number, because 9317980321 - 2¹ = 9317980319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9317980921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358383846 + ... + 358383871.

It is an arithmetic number, because the mean of its divisors is an integer number (2508687013).

Almost surely, 2^9317980321 is an apocalyptic number.

It is an amenable number.

9317980321 is a deficient number, since it is larger than the sum of its proper divisors (716767731).

9317980321 is a wasteful number, since it uses less digits than its factorization.

9317980321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716767730.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 9317980321 is about 96529.6862162102. The cubic root of 9317980321 is about 2104.2980995873.

The spelling of 9317980321 in words is "nine billion, three hundred seventeen million, nine hundred eighty thousand, three hundred twenty-one".