8468888649 has 16 divisors (see below), whose sum is σ = 12306971712. Its totient is φ = 5148831168.

The previous prime is 8468888611. The next prime is 8468888669. The reversal of 8468888649 is 9468888648.

8468888649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8468888649 - 2¹⁶ = 8468823113 is a prime.

It is a super-2 number, since 2×8468888649² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8468888609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304902 + ... + 1311375.

It is an arithmetic number, because the mean of its divisors is an integer number (769185732).

Almost surely, 2^8468888649 is an apocalyptic number.

It is an amenable number.

8468888649 is a deficient number, since it is larger than the sum of its proper divisors (3838083063).

8468888649 is a wasteful number, since it uses less digits than its factorization.

8468888649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616376.

The product of its digits is 169869312, while the sum is 69.

The square root of 8468888649 is about 92026.5649092695. The cubic root of 8468888649 is about 2038.3345891988.

Subtracting 8468888649 from its reverse (9468888648), we obtain a palindrome (999999999).

The spelling of 8468888649 in words is "eight billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred forty-nine".