1683532412643 has 8 divisors (see below), whose sum is σ = 2244982962256. Its totient is φ = 1122218402400.

The previous prime is 1683532412609. The next prime is 1683532412657. The reversal of 1683532412643 is 3462142353861.

It is a happy number.

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

It is not a de Polignac number, because 1683532412643 - 2¹³ = 1683532404451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1683532412592 and 1683532412601.

It is not an unprimeable number, because it can be changed into a prime (1683532412603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34106068 + ... + 34155393.

It is an arithmetic number, because the mean of its divisors is an integer number (280622870282).

Almost surely, 2^{1683532412643} is an apocalyptic number.

1683532412643 is a deficient number, since it is larger than the sum of its proper divisors (561450549613).

1683532412643 is an equidigital number, since it uses as much as digits as its factorization.

1683532412643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68269685.

The product of its digits is 2488320, while the sum is 48.

The spelling of 1683532412643 in words is "one trillion, six hundred eighty-three billion, five hundred thirty-two million, four hundred twelve thousand, six hundred forty-three".