6687825346494 has 24 divisors (see below), whose sum is σ = 14490409246560. Its totient is φ = 2229256500768.

The previous prime is 6687825346483. The next prime is 6687825346511. The reversal of 6687825346494 is 4946435287866.

6687825346494 is a `hidden beast` number, since 6 + 6 + 8 + 7 + 82 + 53 + 4 + 6 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757147 + ... + 3734825.

It is an arithmetic number, because the mean of its divisors is an integer number (603767051940).

Almost surely, 2^{6687825346494} is an apocalyptic number.

6687825346494 is an abundant number, since it is smaller than the sum of its proper divisors (7802583900066).

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

6687825346494 is a wasteful number, since it uses less digits than its factorization.

6687825346494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102464 (or 3102461 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 72.

The spelling of 6687825346494 in words is "six trillion, six hundred eighty-seven billion, eight hundred twenty-five million, three hundred forty-six thousand, four hundred ninety-four".