6808319643 has 16 divisors (see below), whose sum is σ = 9326082816. Its totient is φ = 4414796640.

The previous prime is 6808319629. The next prime is 6808319653. The reversal of 6808319643 is 3469138086.

It is not a de Polignac number, because 6808319643 - 2⁵ = 6808319611 is a prime.

It is a super-2 number, since 2×6808319643² = 92706432722519294898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6808319592 and 6808319601.

It is not an unprimeable number, because it can be changed into a prime (6808319653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426280 + ... + 441962.

It is an arithmetic number, because the mean of its divisors is an integer number (582880176).

Almost surely, 2^6808319643 is an apocalyptic number.

6808319643 is a deficient number, since it is larger than the sum of its proper divisors (2517763173).

6808319643 is a wasteful number, since it uses less digits than its factorization.

6808319643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 6808319643 is about 82512.5423375138. The cubic root of 6808319643 is about 1895.3088000282.

The spelling of 6808319643 in words is "six billion, eight hundred eight million, three hundred nineteen thousand, six hundred forty-three".