684120606841 has 8 divisors (see below), whose sum is σ = 786171748544. Its totient is φ = 583149371760.

The previous prime is 684120606823. The next prime is 684120606859. The reversal of 684120606841 is 148606021486.

It is an interprime number because it is at equal distance from previous prime (684120606823) and next prime (684120606859).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 684120606841 - 2¹⁷ = 684120475769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 684120606791 and 684120606800.

It is not an unprimeable number, because it can be changed into a prime (684120666841) 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 7 ways as a sum of consecutive naturals, for example, 269975295 + ... + 269977828.

It is an arithmetic number, because the mean of its divisors is an integer number (98271468568).

Almost surely, 2^684120606841 is an apocalyptic number.

It is an amenable number.

684120606841 is a deficient number, since it is larger than the sum of its proper divisors (102051141703).

684120606841 is a wasteful number, since it uses less digits than its factorization.

684120606841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539953311.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 684120606841 in words is "six hundred eighty-four billion, one hundred twenty million, six hundred six thousand, eight hundred forty-one".