1683532412644 has 6 divisors (see below), whose sum is σ = 2946181722134. Its totient is φ = 841766206320.

The previous prime is 1683532412609. The next prime is 1683532412657. The reversal of 1683532412644 is 4462142353861.

It can be written as a sum of positive squares in only one way, i.e., 1652587380900 + 30945031744 = 1285530^2 + 175912^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210441551577 + ... + 210441551584.

Almost surely, 2^{1683532412644} is an apocalyptic number.

It is an amenable number.

1683532412644 is a deficient number, since it is larger than the sum of its proper divisors (1262649309490).

1683532412644 is a wasteful number, since it uses less digits than its factorization.

1683532412644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420883103165 (or 420883103163 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The spelling of 1683532412644 in words is "one trillion, six hundred eighty-three billion, five hundred thirty-two million, four hundred twelve thousand, six hundred forty-four".