6698404494 has 24 divisors (see below), whose sum is σ = 15144219792. Its totient is φ = 2135723040.

The previous prime is 6698404463. The next prime is 6698404501. The reversal of 6698404494 is 4944048966.

It is a happy number.

6698404494 is a `hidden beast` number, since 66 + 98 + 4 + 0 + 4 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6698404494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8089447 + ... + 8090274.

It is an arithmetic number, because the mean of its divisors is an integer number (631009158).

Almost surely, 2^6698404494 is an apocalyptic number.

6698404494 is an abundant number, since it is smaller than the sum of its proper divisors (8445815298).

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

6698404494 is a wasteful number, since it uses less digits than its factorization.

6698404494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16179752 (or 16179749 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The square root of 6698404494 is about 81843.7810343584. The cubic root of 6698404494 is about 1885.0539746780.

The spelling of 6698404494 in words is "six billion, six hundred ninety-eight million, four hundred four thousand, four hundred ninety-four".