9913388356 has 9 divisors (see below), whose sum is σ = 17348778111. Its totient is φ = 4956594612.

The previous prime is 9913388299. The next prime is 9913388383. The reversal of 9913388356 is 6538833199.

It is a happy number.

The square root of 9913388356 is 99566.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9913388297 and 9913388306.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 174241 + ... + 224023.

Almost surely, 2^9913388356 is an apocalyptic number.

9913388356 is the 99566-th square number.

It is an amenable number.

9913388356 is a deficient number, since it is larger than the sum of its proper divisors (7435389755).

9913388356 is an frugal number, since it uses more digits than its factorization.

9913388356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99570 (or 49785 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The cubic root of 9913388356 is about 2148.1966747128.

It can be divided in two parts, 99133 and 88356, that added together give a square (187489 = 433²).

The spelling of 9913388356 in words is "nine billion, nine hundred thirteen million, three hundred eighty-eight thousand, three hundred fifty-six".