8909849319 has 16 divisors (see below), whose sum is σ = 14167214592. Its totient is φ = 4869979488.

The previous prime is 8909849309. The next prime is 8909849323. The reversal of 8909849319 is 9139489098.

It is a happy number.

It is not a de Polignac number, because 8909849319 - 2¹² = 8909845223 is a prime.

It is a super-2 number, since 2×8909849319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8909849309) 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, 9222964 + ... + 9223929.

It is an arithmetic number, because the mean of its divisors is an integer number (885450912).

Almost surely, 2^8909849319 is an apocalyptic number.

8909849319 is a deficient number, since it is larger than the sum of its proper divisors (5257365273).

8909849319 is a wasteful number, since it uses less digits than its factorization.

8909849319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446926.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The square root of 8909849319 is about 94391.9981725146. The cubic root of 8909849319 is about 2073.1152824113.

The spelling of 8909849319 in words is "eight billion, nine hundred nine million, eight hundred forty-nine thousand, three hundred nineteen".