8649499075776 has 504 divisors, whose sum is σ = 27352076319360. Its totient is φ = 2611431014400.

The previous prime is 8649499075753. The next prime is 8649499075843. The reversal of 8649499075776 is 6775709949468.

8649499075776 is a `hidden beast` number, since 8 + 6 + 4 + 9 + 499 + 0 + 7 + 57 + 76 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8649499075695 and 8649499075704.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2844292816 + ... + 2844295856.

Almost surely, 2^{8649499075776} 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 8649499075776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13676038159680).

8649499075776 is an abundant number, since it is smaller than the sum of its proper divisors (18702577243584).

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

8649499075776 is a wasteful number, since it uses less digits than its factorization.

8649499075776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3599 counting only the distinct ones).

The product of its (nonzero) digits is 5761082880, while the sum is 81.

The spelling of 8649499075776 in words is "eight trillion, six hundred forty-nine billion, four hundred ninety-nine million, seventy-five thousand, seven hundred seventy-six".