6849964618 has 16 divisors (see below), whose sum is σ = 11802409344. Its totient is φ = 2920795920.

The previous prime is 6849964603. The next prime is 6849964621. The reversal of 6849964618 is 8164699486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239078 + ... + 1244593.

It is an arithmetic number, because the mean of its divisors is an integer number (737650584).

Almost surely, 2^6849964618 is an apocalyptic number.

6849964618 is a deficient number, since it is larger than the sum of its proper divisors (4952444726).

6849964618 is a wasteful number, since it uses less digits than its factorization.

6849964618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483877.

The product of its digits is 17915904, while the sum is 61.

The square root of 6849964618 is about 82764.5130354792. The cubic root of 6849964618 is about 1899.1653414264.

The spelling of 6849964618 in words is "six billion, eight hundred forty-nine million, nine hundred sixty-four thousand, six hundred eighteen".