8649641700 has 1080 divisors, whose sum is σ = 36398503680. Its totient is φ = 1763596800.

The previous prime is 8649641639. The next prime is 8649641747. The reversal of 8649641700 is 71469468.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 233774082 + ... + 233774118.

Almost surely, 2^8649641700 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 8649641700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18199251840).

8649641700 is an abundant number, since it is smaller than the sum of its proper divisors (27748861980).

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

8649641700 is a wasteful number, since it uses less digits than its factorization.

8649641700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8649641700 is about 93003.4499360104. The cubic root of 8649641700 is about 2052.7341427730.

The spelling of 8649641700 in words is "eight billion, six hundred forty-nine million, six hundred forty-one thousand, seven hundred".