9913999333 has 24 divisors (see below), whose sum is σ = 11756072160. Its totient is φ = 8333750880.

The previous prime is 9913999331. The next prime is 9913999343. The reversal of 9913999333 is 3339993199.

It is not a de Polignac number, because 9913999333 - 2¹ = 9913999331 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913999331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276843 + ... + 1284583.

It is an arithmetic number, because the mean of its divisors is an integer number (489836340).

Almost surely, 2^9913999333 is an apocalyptic number.

It is an amenable number.

9913999333 is a deficient number, since it is larger than the sum of its proper divisors (1842072827).

9913999333 is a wasteful number, since it uses less digits than its factorization.

9913999333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8250 counting only the distinct ones).

The product of its digits is 4782969, while the sum is 58.

The square root of 9913999333 is about 99569.0681537193. The cubic root of 9913999333 is about 2148.2408060010.

The spelling of 9913999333 in words is "nine billion, nine hundred thirteen million, nine hundred ninety-nine thousand, three hundred thirty-three".