6819418770689 has 8 divisors (see below), whose sum is σ = 7892274888960. Its totient is φ = 5771226011616.

The previous prime is 6819418770683. The next prime is 6819418770721. The reversal of 6819418770689 is 9860778149186.

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

It is a cyclic number.

It is not a de Polignac number, because 6819418770689 - 2⁴ = 6819418770673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6819418770683) 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, 6165839204 + ... + 6165840309.

It is an arithmetic number, because the mean of its divisors is an integer number (986534361120).

Almost surely, 2^{6819418770689} is an apocalyptic number.

It is an amenable number.

6819418770689 is a deficient number, since it is larger than the sum of its proper divisors (1072856118271).

6819418770689 is a wasteful number, since it uses less digits than its factorization.

6819418770689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331679599.

The product of its (nonzero) digits is 292626432, while the sum is 74.

The spelling of 6819418770689 in words is "six trillion, eight hundred nineteen billion, four hundred eighteen million, seven hundred seventy thousand, six hundred eighty-nine".