6803989899 has 8 divisors (see below), whose sum is σ = 10367984640. Its totient is φ = 3887994216.

The previous prime is 6803989879. The next prime is 6803989909. The reversal of 6803989899 is 9989893086.

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

It is not a de Polignac number, because 6803989899 - 2²⁴ = 6787212683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6803989879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161999739 + ... + 161999780.

It is an arithmetic number, because the mean of its divisors is an integer number (1295998080).

Almost surely, 2^6803989899 is an apocalyptic number.

6803989899 is a deficient number, since it is larger than the sum of its proper divisors (3563994741).

6803989899 is a wasteful number, since it uses less digits than its factorization.

6803989899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323999529.

The product of its (nonzero) digits is 60466176, while the sum is 69.

The square root of 6803989899 is about 82486.3012808794. The cubic root of 6803989899 is about 1894.9069415900.

The spelling of 6803989899 in words is "six billion, eight hundred three million, nine hundred eighty-nine thousand, eight hundred ninety-nine".