6698043820 has 24 divisors (see below), whose sum is σ = 15147884304. Its totient is φ = 2473123776.

The previous prime is 6698043763. The next prime is 6698043839. The reversal of 6698043820 is 283408966.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12880594 + ... + 12881113.

It is an arithmetic number, because the mean of its divisors is an integer number (631161846).

Almost surely, 2^6698043820 is an apocalyptic number.

It is an amenable number.

6698043820 is an abundant number, since it is smaller than the sum of its proper divisors (8449840484).

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

6698043820 is a wasteful number, since it uses less digits than its factorization.

6698043820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761729 (or 25761727 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 6698043820 is about 81841.5775752154. The cubic root of 6698043820 is about 1885.0201406428.

The spelling of 6698043820 in words is "six billion, six hundred ninety-eight million, forty-three thousand, eight hundred twenty".