684345303465 has 16 divisors (see below), whose sum is σ = 1121658644736. Its totient is φ = 356082108800.

The previous prime is 684345303463. The next prime is 684345303589. The reversal of 684345303465 is 564303543486.

It is not a de Polignac number, because 684345303465 - 2¹ = 684345303463 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (684345303463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556377681 + ... + 556378910.

It is an arithmetic number, because the mean of its divisors is an integer number (70103665296).

Almost surely, 2^684345303465 is an apocalyptic number.

It is an amenable number.

684345303465 is a deficient number, since it is larger than the sum of its proper divisors (437313341271).

684345303465 is a wasteful number, since it uses less digits than its factorization.

684345303465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112756640.

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 684345303465 in words is "six hundred eighty-four billion, three hundred forty-five million, three hundred three thousand, four hundred sixty-five".