9656531357044 has 48 divisors (see below), whose sum is σ = 20898198175680. Its totient is φ = 3838444554240.

The previous prime is 9656531357023. The next prime is 9656531357087. The reversal of 9656531357044 is 4407531356569.

It is a self number, because there is not a number n which added to its sum of digits gives 9656531357044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444253549 + ... + 444275284.

It is an arithmetic number, because the mean of its divisors is an integer number (435379128660).

Almost surely, 2^{9656531357044} is an apocalyptic number.

It is an amenable number.

9656531357044 is an abundant number, since it is smaller than the sum of its proper divisors (11241666818636).

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

9656531357044 is a wasteful number, since it uses less digits than its factorization.

9656531357044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888528880 (or 888528878 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 58.

The spelling of 9656531357044 in words is "nine trillion, six hundred fifty-six billion, five hundred thirty-one million, three hundred fifty-seven thousand, forty-four".