9938654979604 has 48 divisors (see below), whose sum is σ = 19742015880720. Its totient is φ = 4345332526080.

The previous prime is 9938654979581. The next prime is 9938654979607. The reversal of 9938654979604 is 4069794568399.

It can be written as a sum of positive squares in 8 ways, for example, as 339192089604 + 9599462890000 = 582402^2 + 3098300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938654979607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62095737 + ... + 62255584.

It is an arithmetic number, because the mean of its divisors is an integer number (411291997515).

Almost surely, 2^{9938654979604} is an apocalyptic number.

It is an amenable number.

9938654979604 is a deficient number, since it is larger than the sum of its proper divisors (9803360901116).

9938654979604 is a wasteful number, since it uses less digits than its factorization.

9938654979604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124351420 (or 124351418 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 79.

The spelling of 9938654979604 in words is "nine trillion, nine hundred thirty-eight billion, six hundred fifty-four million, nine hundred seventy-nine thousand, six hundred four".