9986863269 has 4 divisors (see below), whose sum is σ = 13315817696. Its totient is φ = 6657908844.

The previous prime is 9986863261. The next prime is 9986863279. The reversal of 9986863269 is 9623686899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9986863269 - 2³ = 9986863261 is a prime.

It is a super-2 number, since 2×9986863269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986863261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664477209 + ... + 1664477214.

It is an arithmetic number, because the mean of its divisors is an integer number (3328954424).

Almost surely, 2^9986863269 is an apocalyptic number.

It is an amenable number.

9986863269 is a deficient number, since it is larger than the sum of its proper divisors (3328954427).

9986863269 is a wasteful number, since it uses less digits than its factorization.

9986863269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328954426.

The product of its digits is 60466176, while the sum is 66.

The square root of 9986863269 is about 99934.2947591066. The cubic root of 9986863269 is about 2153.4908689877.

The spelling of 9986863269 in words is "nine billion, nine hundred eighty-six million, eight hundred sixty-three thousand, two hundred sixty-nine".