6853871430 has 128 divisors (see below), whose sum is σ = 21796300800. Its totient is φ = 1498476672.

The previous prime is 6853871429. The next prime is 6853871447. The reversal of 6853871430 is 341783586.

6853871430 is a `hidden beast` number, since 6 + 8 + 538 + 71 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35365 + ... + 122304.

It is an arithmetic number, because the mean of its divisors is an integer number (170283600).

Almost surely, 2^6853871430 is an apocalyptic number.

6853871430 is an abundant number, since it is smaller than the sum of its proper divisors (14942429370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6853871430 is a wasteful number, since it uses less digits than its factorization.

6853871430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157715 (or 157709 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 6853871430 is about 82788.1116465402. Note that the first 3 decimals coincide. The cubic root of 6853871430 is about 1899.5263297539.

The spelling of 6853871430 in words is "six billion, eight hundred fifty-three million, eight hundred seventy-one thousand, four hundred thirty".