684523288514 has 32 divisors (see below), whose sum is σ = 1111778982720. Its totient is φ = 314219454912.

The previous prime is 684523288511. The next prime is 684523288517. The reversal of 684523288514 is 415882325486.

684523288514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (684523288511) and next prime (684523288517).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 684523288514.

It is not an unprimeable number, because it can be changed into a prime (684523288511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5577737 + ... + 5699139.

It is an arithmetic number, because the mean of its divisors is an integer number (34743093210).

Almost surely, 2^684523288514 is an apocalyptic number.

684523288514 is a deficient number, since it is larger than the sum of its proper divisors (427255694206).

684523288514 is a wasteful number, since it uses less digits than its factorization.

684523288514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122594.

The product of its digits is 14745600, while the sum is 56.

The spelling of 684523288514 in words is "six hundred eighty-four billion, five hundred twenty-three million, two hundred eighty-eight thousand, five hundred fourteen".