6855491528 has 32 divisors (see below), whose sum is σ = 13274123520. Its totient is φ = 3315816000.

The previous prime is 6855491521. The next prime is 6855491557. The reversal of 6855491528 is 8251945586.

It is a self number, because there is not a number n which added to its sum of digits gives 6855491528.

It is not an unprimeable number, because it can be changed into a prime (6855491521) by changing a digit.

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, 881738 + ... + 889478.

It is an arithmetic number, because the mean of its divisors is an integer number (414816360).

Almost surely, 2^6855491528 is an apocalyptic number.

It is an amenable number.

6855491528 is a deficient number, since it is larger than the sum of its proper divisors (6418631992).

6855491528 is a wasteful number, since it uses less digits than its factorization.

6855491528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349 (or 11345 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 53.

The square root of 6855491528 is about 82797.8956737428. The cubic root of 6855491528 is about 1899.6759861145.

The spelling of 6855491528 in words is "six billion, eight hundred fifty-five million, four hundred ninety-one thousand, five hundred twenty-eight".