8649534938 has 16 divisors (see below), whose sum is σ = 14172860736. Its totient is φ = 3926307840.

The previous prime is 8649534937. The next prime is 8649534989. The reversal of 8649534938 is 8394359468.

8649534938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8649534931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248231 + ... + 280922.

It is an arithmetic number, because the mean of its divisors is an integer number (885803796).

Almost surely, 2^8649534938 is an apocalyptic number.

8649534938 is a deficient number, since it is larger than the sum of its proper divisors (5523325798).

8649534938 is a wasteful number, since it uses less digits than its factorization.

8649534938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529909.

The product of its digits is 22394880, while the sum is 59.

The square root of 8649534938 is about 93002.8759662840. The cubic root of 8649534938 is about 2052.7256971474.

The spelling of 8649534938 in words is "eight billion, six hundred forty-nine million, five hundred thirty-four thousand, nine hundred thirty-eight".