1683654898473 has 12 divisors (see below), whose sum is σ = 2432587180660. Its totient is φ = 1122140653056.

The previous prime is 1683654898469. The next prime is 1683654898487. The reversal of 1683654898473 is 3748984563861.

1683654898473 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 6 + 548 + 9 + 8 + 4 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 519593005584 + 1164061892889 = 720828^2 + 1078917^2 .

It is not a de Polignac number, because 1683654898473 - 2² = 1683654898469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683654898873) 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 11 ways as a sum of consecutive naturals, for example, 24626128 + ... + 24694401.

Almost surely, 2^{1683654898473} is an apocalyptic number.

It is an amenable number.

1683654898473 is a deficient number, since it is larger than the sum of its proper divisors (748932282187).

1683654898473 is a wasteful number, since it uses less digits than its factorization.

1683654898473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49324328 (or 49324325 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 72.

The spelling of 1683654898473 in words is "one trillion, six hundred eighty-three billion, six hundred fifty-four million, eight hundred ninety-eight thousand, four hundred seventy-three".