9917149283 has 4 divisors (see below), whose sum is σ = 9917880240. Its totient is φ = 9916418328.

The previous prime is 9917149267. The next prime is 9917149321. The reversal of 9917149283 is 3829417199.

9917149283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3829417199 = 8839 ⋅433241.

It is a cyclic number.

It is not a de Polignac number, because 9917149283 - 2⁴ = 9917149267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9917149243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344735 + ... + 372392.

It is an arithmetic number, because the mean of its divisors is an integer number (2479470060).

Almost surely, 2^9917149283 is an apocalyptic number.

9917149283 is a deficient number, since it is larger than the sum of its proper divisors (730957).

9917149283 is a wasteful number, since it uses less digits than its factorization.

9917149283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730956.

The product of its digits is 979776, while the sum is 53.

The square root of 9917149283 is about 99584.8848119031. The cubic root of 9917149283 is about 2148.4683002865.

The spelling of 9917149283 in words is "nine billion, nine hundred seventeen million, one hundred forty-nine thousand, two hundred eighty-three".