6839455285 has 8 divisors (see below), whose sum is σ = 8838680760. Its totient is φ = 5050674624.

The previous prime is 6839455261. The next prime is 6839455307. The reversal of 6839455285 is 5825549386.

It can be written as a sum of positive squares in 4 ways, for example, as 90668484 + 6748786801 = 9522^2 + 82151^2 .

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 6839455285 - 2⁷ = 6839455157 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 52611130 + ... + 52611259.

It is an arithmetic number, because the mean of its divisors is an integer number (1104835095).

Almost surely, 2^6839455285 is an apocalyptic number.

6839455285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6839455285 is a deficient number, since it is larger than the sum of its proper divisors (1999225475).

6839455285 is a wasteful number, since it uses less digits than its factorization.

6839455285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105222407.

The product of its digits is 10368000, while the sum is 55.

The square root of 6839455285 is about 82700.9992986784. Note that the first 3 decimals coincide. The cubic root of 6839455285 is about 1898.1936003083.

The spelling of 6839455285 in words is "six billion, eight hundred thirty-nine million, four hundred fifty-five thousand, two hundred eighty-five".