9347820479773 has 4 divisors (see below), whose sum is σ = 9839811031360. Its totient is φ = 8855829928188.

The previous prime is 9347820479729. The next prime is 9347820479779. The reversal of 9347820479773 is 3779740287439.

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-9347820479773 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 (9347820479779) 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, 245995275765 + ... + 245995275802.

It is an arithmetic number, because the mean of its divisors is an integer number (2459952757840).

Almost surely, 2^{9347820479773} is an apocalyptic number.

It is an amenable number.

9347820479773 is a deficient number, since it is larger than the sum of its proper divisors (491990551587).

9347820479773 is a wasteful number, since it uses less digits than its factorization.

9347820479773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491990551586.

The product of its (nonzero) digits is 448084224, while the sum is 70.

The spelling of 9347820479773 in words is "nine trillion, three hundred forty-seven billion, eight hundred twenty million, four hundred seventy-nine thousand, seven hundred seventy-three".