6855641410 has 16 divisors (see below), whose sum is σ = 12347722296. Its totient is φ = 2740574848.

The previous prime is 6855641399. The next prime is 6855641453. The reversal of 6855641410 is 141465586.

It can be written as a sum of positive squares in 4 ways, for example, as 1191423289 + 5664218121 = 34517^2 + 75261^2 .

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, 193027 + ... + 225766.

Almost surely, 2^6855641410 is an apocalyptic number.

6855641410 is a deficient number, since it is larger than the sum of its proper divisors (5492080886).

6855641410 is a wasteful number, since it uses less digits than its factorization.

6855641410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420437.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 6855641410 is about 82798.8007763398. The cubic root of 6855641410 is about 1899.6898302548.

The spelling of 6855641410 in words is "six billion, eight hundred fifty-five million, six hundred forty-one thousand, four hundred ten".