6698869647 has 8 divisors (see below), whose sum is σ = 9173227056. Its totient is φ = 4345212672.

The previous prime is 6698869633. The next prime is 6698869649. The reversal of 6698869647 is 7469688966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6698869647 - 2¹⁰ = 6698868623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698869649) 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, 30174978 + ... + 30175199.

It is an arithmetic number, because the mean of its divisors is an integer number (1146653382).

Almost surely, 2^6698869647 is an apocalyptic number.

6698869647 is a deficient number, since it is larger than the sum of its proper divisors (2474357409).

6698869647 is a wasteful number, since it uses less digits than its factorization.

6698869647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60350217.

The product of its digits is 188116992, while the sum is 69.

The square root of 6698869647 is about 81846.6226975799. The cubic root of 6698869647 is about 1885.0976078654.

The spelling of 6698869647 in words is "six billion, six hundred ninety-eight million, eight hundred sixty-nine thousand, six hundred forty-seven".