9556720313 has 4 divisors (see below), whose sum is σ = 10921966080. Its totient is φ = 8191474548.

The previous prime is 9556720249. The next prime is 9556720337. The reversal of 9556720313 is 3130276559.

It is a happy number.

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 not a de Polignac number, because 9556720313 - 2⁶ = 9556720249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9556720213) 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, 682622873 + ... + 682622886.

It is an arithmetic number, because the mean of its divisors is an integer number (2730491520).

Almost surely, 2^9556720313 is an apocalyptic number.

It is an amenable number.

9556720313 is a deficient number, since it is larger than the sum of its proper divisors (1365245767).

9556720313 is a wasteful number, since it uses less digits than its factorization.

9556720313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365245766.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 9556720313 is about 97758.4794941083. The cubic root of 9556720313 is about 2122.1184704181.

The spelling of 9556720313 in words is "nine billion, five hundred fifty-six million, seven hundred twenty thousand, three hundred thirteen".