9686347490 has 16 divisors (see below), whose sum is σ = 17437888440. Its totient is φ = 3873991680.

The previous prime is 9686347481. The next prime is 9686347529. The reversal of 9686347490 is 947436869.

9686347490 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 7361468401 + 2324879089 = 85799^2 + 48217^2 .

It is an unprimeable number.

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, 10220 + ... + 139560.

Almost surely, 2^9686347490 is an apocalyptic number.

9686347490 is a deficient number, since it is larger than the sum of its proper divisors (7751540950).

9686347490 is a wasteful number, since it uses less digits than its factorization.

9686347490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136837.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 9686347490 is about 98419.2434943492. The cubic root of 9686347490 is about 2131.6702050514.

The spelling of 9686347490 in words is "nine billion, six hundred eighty-six million, three hundred forty-seven thousand, four hundred ninety".