9938924591236 has 27 divisors (see below), whose sum is σ = 17693575491109. Its totient is φ = 4885051269968.

The previous prime is 9938924591143. The next prime is 9938924591251. The reversal of 9938924591236 is 6321954298399.

The square root of 9938924591236 is 3152606.

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

It can be written as a sum of positive squares in only one way, i.e., 1980071122500 + 7958853468736 = 1407150^2 + 2821144^2 .

It is a Duffinian number.

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, 371994150 + ... + 372020866.

Almost surely, 2^{9938924591236} is an apocalyptic number.

9938924591236 is the 3152606-th square number.

It is an amenable number.

9938924591236 is a deficient number, since it is larger than the sum of its proper divisors (7754650899873).

9938924591236 is an frugal number, since it uses more digits than its factorization.

9938924591236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53556 (or 26778 counting only the distinct ones).

The product of its digits is 226748160, while the sum is 70.

The spelling of 9938924591236 in words is "nine trillion, nine hundred thirty-eight billion, nine hundred twenty-four million, five hundred ninety-one thousand, two hundred thirty-six".