8649830999 has 4 divisors (see below), whose sum is σ = 8707114800. Its totient is φ = 8592547200.

The previous prime is 8649830989. The next prime is 8649831019. The reversal of 8649830999 is 9990389468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8649830999 - 2⁸ = 8649830743 is a prime.

It is a super-2 number, since 2×8649830999² (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 (8649830909) 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, 28641674 + ... + 28641975.

It is an arithmetic number, because the mean of its divisors is an integer number (2176778700).

Almost surely, 2^8649830999 is an apocalyptic number.

8649830999 is a deficient number, since it is larger than the sum of its proper divisors (57283801).

8649830999 is a wasteful number, since it uses less digits than its factorization.

8649830999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57283800.

The product of its (nonzero) digits is 30233088, while the sum is 65.

The square root of 8649830999 is about 93004.4676292489. The cubic root of 8649830999 is about 2052.7491174852.

The spelling of 8649830999 in words is "eight billion, six hundred forty-nine million, eight hundred thirty thousand, nine hundred ninety-nine".