8649541606 has 4 divisors (see below), whose sum is σ = 12974312412. Its totient is φ = 4324770802.

The previous prime is 8649541603. The next prime is 8649541619. The reversal of 8649541606 is 6061459468.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8649541606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649541603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162385400 + ... + 2162385403.

It is an arithmetic number, because the mean of its divisors is an integer number (3243578103).

Almost surely, 2^8649541606 is an apocalyptic number.

8649541606 is a deficient number, since it is larger than the sum of its proper divisors (4324770806).

8649541606 is a wasteful number, since it uses less digits than its factorization.

8649541606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324770805.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 8649541606 is about 93002.9118146308. The cubic root of 8649541606 is about 2052.7262246352.

The spelling of 8649541606 in words is "eight billion, six hundred forty-nine million, five hundred forty-one thousand, six hundred six".