6900000068 has 24 divisors (see below), whose sum is σ = 13098778392. Its totient is φ = 3161366784.

The previous prime is 6900000049. The next prime is 6900000089. The reversal of 6900000068 is 8600000096.

It can be written as a sum of positive squares in 4 ways, for example, as 1529748544 + 5370251524 = 39112^2 + 73282^2 .

It is a super-2 number, since 2×6900000068² = 95220001876800009248, which contains 22 as substring.

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, 477155 + ... + 491402.

It is an arithmetic number, because the mean of its divisors is an integer number (545782433).

Almost surely, 2^6900000068 is an apocalyptic number.

It is an amenable number.

6900000068 is a deficient number, since it is larger than the sum of its proper divisors (6198778324).

6900000068 is a wasteful number, since it uses less digits than its factorization.

6900000068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968711 (or 968709 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6900000068 is about 83066.2390384926. The cubic root of 6900000068 is about 1903.7782682173.

The spelling of 6900000068 in words is "six billion, nine hundred million, sixty-eight", and thus it is an aban number.