8349649792 has 64 divisors (see below), whose sum is σ = 18454003200. Its totient is φ = 3730931200.

The previous prime is 8349649723. The next prime is 8349649799. The reversal of 8349649792 is 2979469438.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 8349649792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8349649799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32817 + ... + 133327.

It is an arithmetic number, because the mean of its divisors is an integer number (288343800).

Almost surely, 2^8349649792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8349649792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9227001600).

8349649792 is an abundant number, since it is smaller than the sum of its proper divisors (10104353408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8349649792 is a wasteful number, since it uses less digits than its factorization.

8349649792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100595 (or 100583 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The square root of 8349649792 is about 91376.4181394740. The cubic root of 8349649792 is about 2028.7230024980.

The spelling of 8349649792 in words is "eight billion, three hundred forty-nine million, six hundred forty-nine thousand, seven hundred ninety-two".