9956309351044 has 27 divisors (see below), whose sum is σ = 20268291107127. Its totient is φ = 4266970789704.

The previous prime is 9956309351039. The next prime is 9956309351083. The reversal of 9956309351044 is 4401539036599.

The square root of 9956309351044 is 3155362.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 9956309351044.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44062377 + ... + 44287759.

Almost surely, 2^{9956309351044} is an apocalyptic number.

9956309351044 is the 3155362-nd square number.

It is an amenable number.

9956309351044 is an abundant number, since it is smaller than the sum of its proper divisors (10311981756083).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9956309351044 is an frugal number, since it uses more digits than its factorization.

9956309351044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450784 (or 225392 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 9956309351044 in words is "nine trillion, nine hundred fifty-six billion, three hundred nine million, three hundred fifty-one thousand, forty-four".