6859000894 has 4 divisors (see below), whose sum is σ = 10288501344. Its totient is φ = 3429500446.

The previous prime is 6859000891. The next prime is 6859000903. The reversal of 6859000894 is 4980009586.

6859000894 = T₆₇₆₂₀ + T₆₇₆₂₁ + T₆₇₆₂₂.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6859000891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714750222 + ... + 1714750225.

It is an arithmetic number, because the mean of its divisors is an integer number (2572125336).

Almost surely, 2^6859000894 is an apocalyptic number.

6859000894 is the 67622-nd centered triangular number.

6859000894 is a deficient number, since it is larger than the sum of its proper divisors (3429500450).

6859000894 is a wasteful number, since it uses less digits than its factorization.

6859000894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429500449.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 6859000894 is about 82819.0853245796. The cubic root of 6859000894 is about 1900.0000825485. Note that the first 4 decimals are identical.

The spelling of 6859000894 in words is "six billion, eight hundred fifty-nine million, eight hundred ninety-four", and thus it is an aban number.