6819143374478 has 8 divisors (see below), whose sum is σ = 10581429374280. Its totient is φ = 3292000249720.

The previous prime is 6819143374451. The next prime is 6819143374487. The reversal of 6819143374478 is 8744733419186.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58785718688 + ... + 58785718803.

It is an arithmetic number, because the mean of its divisors is an integer number (1322678671785).

Almost surely, 2^{6819143374478} is an apocalyptic number.

6819143374478 is a deficient number, since it is larger than the sum of its proper divisors (3762285999802).

6819143374478 is a wasteful number, since it uses less digits than its factorization.

6819143374478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117571437522.

The product of its digits is 97542144, while the sum is 65.

The spelling of 6819143374478 in words is "six trillion, eight hundred nineteen billion, one hundred forty-three million, three hundred seventy-four thousand, four hundred seventy-eight".