6849531382 has 4 divisors (see below), whose sum is σ = 10274297076. Its totient is φ = 3424765690.

The previous prime is 6849531379. The next prime is 6849531413. The reversal of 6849531382 is 2831359486.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712382844 + ... + 1712382847.

It is an arithmetic number, because the mean of its divisors is an integer number (2568574269).

Almost surely, 2^6849531382 is an apocalyptic number.

6849531382 is a deficient number, since it is larger than the sum of its proper divisors (3424765694).

6849531382 is a wasteful number, since it uses less digits than its factorization.

6849531382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424765693.

The product of its digits is 1244160, while the sum is 49.

The square root of 6849531382 is about 82761.8957129427. The cubic root of 6849531382 is about 1899.1253020886.

The spelling of 6849531382 in words is "six billion, eight hundred forty-nine million, five hundred thirty-one thousand, three hundred eighty-two".