6698404554 has 8 divisors (see below), whose sum is σ = 13396809120. Its totient is φ = 2232801516.

The previous prime is 6698404547. The next prime is 6698404589. The reversal of 6698404554 is 4554048966.

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

6698404554 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6698404497 and 6698404506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558200374 + ... + 558200385.

It is an arithmetic number, because the mean of its divisors is an integer number (1674601140).

Almost surely, 2^6698404554 is an apocalyptic number.

6698404554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6698404554 is a wasteful number, since it uses less digits than its factorization.

6698404554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116400764.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The square root of 6698404554 is about 81843.7814009104. The cubic root of 6698404554 is about 1885.0539803063.

The spelling of 6698404554 in words is "six billion, six hundred ninety-eight million, four hundred four thousand, five hundred fifty-four".