9656138422 has 16 divisors (see below), whose sum is σ = 16683724800. Its totient is φ = 4105758888.

The previous prime is 9656138383. The next prime is 9656138441. The reversal of 9656138422 is 2248316569.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713672 + ... + 2717227.

It is an arithmetic number, because the mean of its divisors is an integer number (1042732800).

Almost surely, 2^9656138422 is an apocalyptic number.

9656138422 is a deficient number, since it is larger than the sum of its proper divisors (7027586378).

9656138422 is a wasteful number, since it uses less digits than its factorization.

9656138422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431035.

The product of its digits is 622080, while the sum is 46.

The square root of 9656138422 is about 98265.6523002824. The cubic root of 9656138422 is about 2129.4518652441.

The spelling of 9656138422 in words is "nine billion, six hundred fifty-six million, one hundred thirty-eight thousand, four hundred twenty-two".