6849216747 has 24 divisors (see below), whose sum is σ = 10179383760. Its totient is φ = 4435096320.

The previous prime is 6849216733. The next prime is 6849216763. The reversal of 6849216747 is 7476129486.

It is not a de Polignac number, because 6849216747 - 2¹¹ = 6849214699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6849216693 and 6849216702.

It is not an unprimeable number, because it can be changed into a prime (6849216247) 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 23 ways as a sum of consecutive naturals, for example, 42879 + ... + 124647.

It is an arithmetic number, because the mean of its divisors is an integer number (424140990).

Almost surely, 2^6849216747 is an apocalyptic number.

6849216747 is a deficient number, since it is larger than the sum of its proper divisors (3330167013).

6849216747 is a wasteful number, since it uses less digits than its factorization.

6849216747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82043 (or 82040 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 6849216747 is about 82759.9948465441. The cubic root of 6849216747 is about 1899.0962227056.

The spelling of 6849216747 in words is "six billion, eight hundred forty-nine million, two hundred sixteen thousand, seven hundred forty-seven".