6849537576642 has 48 divisors (see below), whose sum is σ = 15622110429120. Its totient is φ = 2162962288800.

The previous prime is 6849537576641. The next prime is 6849537576647. The reversal of 6849537576642 is 2466757359486.

It is a happy number.

6849537576642 is a `hidden beast` number, since 6 + 8 + 4 + 9 + 5 + 3 + 7 + 576 + 6 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (6849537576641) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 16491667 + ... + 16901897.

It is an arithmetic number, because the mean of its divisors is an integer number (325460633940).

Almost surely, 2^{6849537576642} is an apocalyptic number.

6849537576642 is an abundant number, since it is smaller than the sum of its proper divisors (8772572852478).

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

6849537576642 is a wasteful number, since it uses less digits than its factorization.

6849537576642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459079 (or 459076 counting only the distinct ones).

The product of its digits is 1828915200, while the sum is 72.

The spelling of 6849537576642 in words is "six trillion, eight hundred forty-nine billion, five hundred thirty-seven million, five hundred seventy-six thousand, six hundred forty-two".