9681450353 has 4 divisors (see below), whose sum is σ = 9825949680. Its totient is φ = 9536951028.

The previous prime is 9681450307. The next prime is 9681450379. The reversal of 9681450353 is 3530541869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9681450353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9681450953) 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, 72249563 + ... + 72249696.

It is an arithmetic number, because the mean of its divisors is an integer number (2456487420).

Almost surely, 2^9681450353 is an apocalyptic number.

It is an amenable number.

9681450353 is a deficient number, since it is larger than the sum of its proper divisors (144499327).

9681450353 is a wasteful number, since it uses less digits than its factorization.

9681450353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144499326.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 9681450353 is about 98394.3613882422. The cubic root of 9681450353 is about 2131.3109075704.

The spelling of 9681450353 in words is "nine billion, six hundred eighty-one million, four hundred fifty thousand, three hundred fifty-three".