684145585541486 has 8 divisors (see below), whose sum is σ = 1026230865549744. Its totient is φ = 342068630358240.

The previous prime is 684145585541471. The next prime is 684145585541489.

684145585541486 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684145585541489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081000795 + ... + 2081329526.

It is an arithmetic number, because the mean of its divisors is an integer number (128278858193718).

Almost surely, 2^{684145585541486} is an apocalyptic number.

684145585541486 is a deficient number, since it is larger than the sum of its proper divisors (342085280008258).

684145585541486 is a wasteful number, since it uses less digits than its factorization.

684145585541486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162412506.

The product of its digits is 2949120000, while the sum is 74.

The spelling of 684145585541486 in words is "six hundred eighty-four trillion, one hundred forty-five billion, five hundred eighty-five million, five hundred forty-one thousand, four hundred eighty-six".