6698924988 has 24 divisors (see below), whose sum is σ = 17863800192. Its totient is φ = 1913978544.

The previous prime is 6698924971. The next prime is 6698924989. The reversal of 6698924988 is 8894298966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698924989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39874470 + ... + 39874637.

It is an arithmetic number, because the mean of its divisors is an integer number (744325008).

Almost surely, 2^6698924988 is an apocalyptic number.

It is an amenable number.

6698924988 is an abundant number, since it is smaller than the sum of its proper divisors (11164875204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6698924988 is a wasteful number, since it uses less digits than its factorization.

6698924988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79749121 (or 79749119 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 69.

The square root of 6698924988 is about 81846.9607743623. The cubic root of 6698924988 is about 1885.1027989351.

The spelling of 6698924988 in words is "six billion, six hundred ninety-eight million, nine hundred twenty-four thousand, nine hundred eighty-eight".