6854006545 has 8 divisors (see below), whose sum is σ = 8227765224. Its totient is φ = 5481233664.

The previous prime is 6854006431. The next prime is 6854006561. The reversal of 6854006545 is 5456004586.

It can be written as a sum of positive squares in 4 ways, for example, as 2584298896 + 4269707649 = 50836^2 + 65343^2 .

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 6854006545 - 2¹³ = 6853998353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231064 + ... + 259033.

It is an arithmetic number, because the mean of its divisors is an integer number (1028470653).

Almost surely, 2^6854006545 is an apocalyptic number.

It is an amenable number.

6854006545 is a deficient number, since it is larger than the sum of its proper divisors (1373758679).

6854006545 is a wasteful number, since it uses less digits than its factorization.

6854006545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492899.

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 6854006545 is about 82788.9276715190. The cubic root of 6854006545 is about 1899.5388118873.

The spelling of 6854006545 in words is "six billion, eight hundred fifty-four million, six thousand, five hundred forty-five".