6819109354 has 8 divisors (see below), whose sum is σ = 10231219908. Its totient is φ = 3408702720.

The previous prime is 6819109327. The next prime is 6819109393. The reversal of 6819109354 is 4539019186.

It can be written as a sum of positive squares in 2 ways, for example, as 4997783025 + 1821326329 = 70695^2 + 42677^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415927 + ... + 432010.

Almost surely, 2^6819109354 is an apocalyptic number.

6819109354 is a deficient number, since it is larger than the sum of its proper divisors (3412110554).

6819109354 is a wasteful number, since it uses less digits than its factorization.

6819109354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851960.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 6819109354 is about 82577.8987017713. The cubic root of 6819109354 is about 1896.3094894753.

The spelling of 6819109354 in words is "six billion, eight hundred nineteen million, one hundred nine thousand, three hundred fifty-four".