6827531481 has 12 divisors (see below), whose sum is σ = 10180119040. Its totient is φ = 4404858840.

The previous prime is 6827531413. The next prime is 6827531489. The reversal of 6827531481 is 1841357286.

6827531481 is a `hidden beast` number, since 68 + 275 + 314 + 8 + 1 = 666.

It is not a de Polignac number, because 6827531481 - 2¹¹ = 6827529433 is a prime.

It is a super-2 number, since 2×6827531481² = 93230372248092106722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6827531489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12235441 + ... + 12235998.

Almost surely, 2^6827531481 is an apocalyptic number.

It is an amenable number.

6827531481 is a deficient number, since it is larger than the sum of its proper divisors (3352587559).

6827531481 is a wasteful number, since it uses less digits than its factorization.

6827531481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471476 (or 24471473 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 6827531481 is about 82628.8780088414. The cubic root of 6827531481 is about 1897.0898645413.

The spelling of 6827531481 in words is "six billion, eight hundred twenty-seven million, five hundred thirty-one thousand, four hundred eighty-one".