6815909068 has 12 divisors (see below), whose sum is σ = 11929432480. Its totient is φ = 3407499792.

The previous prime is 6815909053. The next prime is 6815909069. The reversal of 6815909068 is 8609095186.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6815909069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78771 + ... + 140842.

Almost surely, 2^6815909068 is an apocalyptic number.

It is an amenable number.

6815909068 is a deficient number, since it is larger than the sum of its proper divisors (5113523412).

6815909068 is a wasteful number, since it uses less digits than its factorization.

6815909068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227376 (or 227374 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 6815909068 is about 82558.5190516400. The cubic root of 6815909068 is about 1896.0127898127.

The spelling of 6815909068 in words is "six billion, eight hundred fifteen million, nine hundred nine thousand, sixty-eight".