6698869648 has 20 divisors (see below), whose sum is σ = 12980383488. Its totient is φ = 3349093280.

The previous prime is 6698869633. The next prime is 6698869649. The reversal of 6698869648 is 8469688966.

It is not an unprimeable number, because it can be changed into a prime (6698869649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230493 + ... + 257923.

Almost surely, 2^6698869648 is an apocalyptic number.

It is an amenable number.

6698869648 is a deficient number, since it is larger than the sum of its proper divisors (6281513840).

6698869648 is a wasteful number, since it uses less digits than its factorization.

6698869648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702 (or 42696 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 70.

The square root of 6698869648 is about 81846.6227036889. The cubic root of 6698869648 is about 1885.0976079592.

The spelling of 6698869648 in words is "six billion, six hundred ninety-eight million, eight hundred sixty-nine thousand, six hundred forty-eight".