1685463600845 has 8 divisors (see below), whose sum is σ = 2023805593440. Its totient is φ = 1347538032400.

The previous prime is 1685463600827. The next prime is 1685463600851. The reversal of 1685463600845 is 5480063645861.

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

It is not a de Polignac number, because 1685463600845 - 2¹⁰ = 1685463599821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104097131 + ... + 104113320.

It is an arithmetic number, because the mean of its divisors is an integer number (252975699180).

Almost surely, 2^{1685463600845} is an apocalyptic number.

It is an amenable number.

1685463600845 is a deficient number, since it is larger than the sum of its proper divisors (338341992595).

1685463600845 is a wasteful number, since it uses less digits than its factorization.

1685463600845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208212075.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 1685463600845 in words is "one trillion, six hundred eighty-five billion, four hundred sixty-three million, six hundred thousand, eight hundred forty-five".