9654320813 has 4 divisors (see below), whose sum is σ = 9678396828. Its totient is φ = 9630244800.

The previous prime is 9654320783. The next prime is 9654320839. The reversal of 9654320813 is 3180234569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3180234569 = 29 ⋅109663261.

It can be written as a sum of positive squares in 2 ways, for example, as 5382129769 + 4272191044 = 73363^2 + 65362^2 .

It is a cyclic number.

It is not a de Polignac number, because 9654320813 - 2¹⁰ = 9654319789 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 (9654320113) 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, 12037406 + ... + 12038207.

It is an arithmetic number, because the mean of its divisors is an integer number (2419599207).

Almost surely, 2^9654320813 is an apocalyptic number.

It is an amenable number.

9654320813 is a deficient number, since it is larger than the sum of its proper divisors (24076015).

9654320813 is a wasteful number, since it uses less digits than its factorization.

9654320813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076014.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 9654320813 is about 98256.4034198281. The cubic root of 9654320813 is about 2129.3182454476.

The spelling of 9654320813 in words is "nine billion, six hundred fifty-four million, three hundred twenty thousand, eight hundred thirteen".