9390856513 has 8 divisors (see below), whose sum is σ = 9408503720. Its totient is φ = 9373224960.

The previous prime is 9390856511. The next prime is 9390856537. The reversal of 9390856513 is 3156580939.

It is a happy number.

9390856513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 620159409 + 8770697104 = 24903^2 + 93652^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9390856513 - 2¹ = 9390856511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9390856511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333443 + ... + 2337463.

It is an arithmetic number, because the mean of its divisors is an integer number (1176062965).

Almost surely, 2^9390856513 is an apocalyptic number.

It is an amenable number.

9390856513 is a deficient number, since it is larger than the sum of its proper divisors (17647207).

9390856513 is a wasteful number, since it uses less digits than its factorization.

9390856513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 9390856513 is about 96906.4317421708. The cubic root of 9390856513 is about 2109.7697848602.

The spelling of 9390856513 in words is "nine billion, three hundred ninety million, eight hundred fifty-six thousand, five hundred thirteen".