6802194487 has 4 divisors (see below), whose sum is σ = 7420575816. Its totient is φ = 6183813160.

The previous prime is 6802194461. The next prime is 6802194491. The reversal of 6802194487 is 7844912086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6802194487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6802194487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6802194457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309190648 + ... + 309190669.

It is an arithmetic number, because the mean of its divisors is an integer number (1855143954).

Almost surely, 2^6802194487 is an apocalyptic number.

6802194487 is a deficient number, since it is larger than the sum of its proper divisors (618381329).

6802194487 is a wasteful number, since it uses less digits than its factorization.

6802194487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618381328.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 6802194487 is about 82475.4174709046. The cubic root of 6802194487 is about 1894.7402532202.

The spelling of 6802194487 in words is "six billion, eight hundred two million, one hundred ninety-four thousand, four hundred eighty-seven".